Thomas A. Edison Papers
- Patent Number: 90,646–242,901
- Dates: 1868–June 1881
The following list contains the 170 patents for which Edison executed an application before 1880. It is arranged in chronological order by execution date, which is the date on which Edison signed the application and the date in the patenting process that comes closest to the time of actual inventive activity. The application date is the date on which the Patent Office received and recorded the application; the issue date, the time at which the patent, having passed inspection and any legal challenges, was awarded.
| No. | Executed | Applied | Issued | Patent No. | Title |
|---|---|---|---|---|---|
| 1. | 10/13/68 | 10/28/68 | 06/01/69 | 90,646 | Electrographic Vote-Recorder |
| 2. | 01/25/69 | 02/17/69 | 06/22/69 | 91,527 | Printing-Telegraphs |
| 3. | 08/17/69 | 08/27/69 | 11/09/69 | 96,567 | Printing-Telegraph Apparatus |
| 4. | 08/27/69 | 09/04/69 | 11/09/69 | 96,681 | Automatic Electrical Switch for Telegraph Apparatus |
| 5. | 09/16/69 | 10/27/69 | 04/26/70 | 102,320 | Printing-Telegraph Apparatus (with Franklin L. Pope) |
| 6. | 02/05/70 | 04/11/70 | 05/17/70 | 103,035 | Electro-Motor Escapements |
| 7. | 04/12/70 | 04/14/70 | 06/07/70 | 103,924 | Printing-Telegraph Instruments (with Franklin L. Pope) |
| 8. | 05/24/70 | 05/27/70 | 07/02/72 | 128,608 | Printing-Telegraph Instruments (with Franklin L. Pope) |
| 9. | 06/22/70 | 06/28/70 | 05/09/71 | 114,656 | Telegraphic Transmitting Instruments |
| 10. | 06/22/70 | 06/28/70 | 05/09/71 | 114,658 | Electro-Magnets for Telegraph Instruments |
| 11. | 06/29/70 | 07/06/70 | 01/24/71 | 111,112 | Governors for Electro-Motors |
| 12. | 09/06/70 | 09/21/70 | 05/09/71 | 114,657 | Relay-Magnets for Telegraph Instruments |
| 13. | 11/17/70 | 11/22/70 | 03/28/71 | 113,033 | Printing-Telegraph Apparatus |
| 14. | 01/10/71 | 01/14/71 | 03/28/71 | 113,034 | Printing-Telegraph Apparatus |
| 15. | 07/26/71 | 08/04/71 | 01/23/72 | 123,005 | Telegraph Apparatus |
| 16. | 07/26/71 | 08/04/71 | 01/23/72 | 123,006 | Printing-Telegraphs |
| 17. | 07/26/71 | 08/04/71 | 02/27/72 | 123,984 | Telegraph Apparatus |
| 18. | 08/12/71 | 08/18/71 | 03/19/72 | 124,800 | Telegraphic Recording Instruments |
| 19. | 08/16/71 | 08/18/71 | 12/05/71 | 121,601 | Machinery for Perforating Paper for Telegraph Purposes |
| 20. | 11/13/71 | 11/18/71 | 05/07/72 | 126,535 | Printing-Telegraphs |
| 21. | 11/13/71 | 11/18/71 | 12/10/72 | 133,841 | Type-Writing Machines |
| 22. | 01/03/72 | 01/12/72 | 05/07/72 | 126,532 | Printing-Telegraphs |
| 23. | 01/17/72 | 01/24/72 | 05/07/72 | 126,531 | Printing-Telegraphs |
| 24. | 01/17/72 | 01/24/72 | 05/07/72 | 126,534 | Printing-Telegraphs |
| 25. | 01/23/72 | 01/30/72 | 05/07/72 | 126,528 | Type-Wheels for Printing-Telegraphs |
| 26. | 01/23/72 | 01/30/72 | 05/07/72 | 126,529 | Type-Wheels for Printing-Telegraphs |
| 27. | 02/14/72 | 02/19/72 | 05/07/72 | 126,530 | Printing-Telegraphs |
| 28. | 02/14/72 | 02/19/72 | 05/07/72 | 126,533 | Printing-Telegraphs |
| 29. | 03/15/72 | 03/22/72 | 10/22/72 | 132,456 | Apparatus for Perforating Paper for Telegraphic Use |
| 30. | 04/10/72 | 04/16/72 | 10/22/72 | 132,455 | Paper for Chemical Telegraphs etc. |
| 31. | 04/18/72 | 04/25/72 | 11/12/72 | 133,019 | Electrical Printing-Machines |
| 32. | 04/26/72 | 05/07/72 | 06/18/72 | 128,131 | Printing-Telegraphs |
| 33. | 04/26/72 | 05/07/72 | 07/02/72 | 128,604 | Printing-Telegraphs |
| 34. | 04/26/72 | 05/07/72 | 07/02/72 | 128,605 | Printing-Telegraphs |
| 35. | 04/26/72 | 05/07/72 | 07/02/72 | 128,606 | Printing-Telegraphs |
| 36. | 04/26/72 | 05/07/72 | 07/02/72 | 128,607 | Printing-Telegraphs |
| 37. | 05/06/72 | 06/06/72 | 09/17/72 | 131,334 | Rheotomes or Circuit-Directors |
| 38. | 05/08/72 | 06/06/72 | 01/14/73 | 134,867 | Automatic Telegraph Instruments |
| 39. | 05/08/72 | 06/06/72 | 01/14/73 | 134,868 | Electro-Magnetic Adjusters |
| 40. | 05/09/72 | 06/06/72 | 08/27/72 | 130,795 | Electro-Magnets |
| 41. | 05/09/72 | 06/06/72 | 09/17/72 | 131,342 | Printing-Telegraph Instruments |
| 42. | 05/28/72 | 06/06/72 | 09/17/72 | 131,341 | Printing-Telegraph Instruments |
| 43. | 06/10/72 | 07/09/72 | 09/17/72 | 131,337 | Printing-Telegraphs |
| 44. | 06/10/72 | 07/09/72 | 09/17/72 | 131,340 | Printing-Telegraphs |
| 45. | 06/10/72 | 07/09/72 | 09/17/72 | 131,343 | Transmitters and Circuits for Printing-Telegraphs |
| 46. | 06/15/72 | 07/09/72 | 09/17/72 | 131,335 | Printing-Telegraphs |
| 47. | 06/15/72 | 07/09/72 | 09/17/72 | 131,336 | Printing-Telegraphs |
| 48. | 06/29/72 | 07/09/72 | 09/17/72 | 131,338 | Printing-Telegraphs |
| 49. | 06/29/72 | 07/09/72 | 09/17/72 | 131,339 | Printing-Telegraphs |
| 50. | 06/29/72 | 07/09/72 | 09/17/72 | 131,344 | Unison-Stops for Printing-Telegraphs |
| 51. | 10/16/72 | 10/22/72 | 01/14/73 | 134,866 | Printing-Telegraph Instruments |
| 52. | 10/16/72 | 10/22/72 | 05/13/73 | 138,869 | Printing-Telegraphs |
| 53. | 10/31/72 | 11/05/72 | 09/23/73 | 142,999 | Galvanic Batteries |
| 54. | 11/05/72 | 11/09/72 | 08/12/73 | 141,772 | Circuits for Automatic or Chemical Telegraphs |
| 55. | 11/09/72 | 11/11/72 | 02/04/73 | 135,531 | Circuits for Chemical Telegraphs |
| 56. | 11/26/72 | 12/03/72 | 01/27/74 | 146,812 | Telegraph-Signal Boxes |
| 57. | 12/12/72 | 01/15/73 | 08/12/73 | 141,773 | Circuits for Automatic Telegraphs |
| 58. | 12/12/72 | 01/15/73 | 08/12/73 | 141,776 | Circuits for Automatic Telegraphs |
| 59. | 12/12/72 | 01/15/73 | 05/12/74 | 150,848 | Chemical or Automatic Telegraphs |
| 60. | 01/21/73 | 02/18/73 | 05/20/73 | 139,128 | Printing-Telegraphs |
| 61. | 02/13/73 | 02/18/73 | 05/20/73 | 139,129 | Printing-Telegraphs |
| 62. | 02/13/73 | 02/18/73 | 07/01/73 | 140,487 | Printing-Telegraphs |
| 63. | 02/13/73 | 02/18/73 | 07/01/73 | 140,489 | Circuits for Printing-Telegraphs |
| 64. | 03/07/73 | 03/13/73 | 05/13/73 | 138,870 | Printing-Telegraphs |
| 65. | 03/07/73 | 03/13/73 | 08/12/73 | 141,774 | Chemical Telegraphs |
| 66. | 03/07/73 | 03/13/73 | 08/12/73 | 141,775 | Perforators for Automatic Telegraphs |
| 67. | 03/07/73 | 03/13/73 | 08/12/73 | 141,777 | Relay-Magnets |
| 68. | 03/07/73 | 03/13/73 | 09/09/73 | 142,688 | Electrical Regulators for Transmitting-Instruments |
| 69. | 03/07/73 | 03/13/73 | 11/17/74 | 156,843 | Duplex Chemical Telegraphs |
| 70. | 03/24/73 | 07/29/73 | 02/10/74 | 147,312 | Perforators for Automatic Telegraphy |
| 71. | 03/24/73 | 07/29/73 | 02/10/74 | 147,314 | Circuits for Chemical Telegraphs |
| 72. | 03/24/73 | 07/29/73 | 05/12/74 | 150,847 | Receiving Instruments for Chemical Telegraphs |
| 73. | 04/22/73 | 04/26/73 | 04/27/75 | 162,633 | Duplex Telegraphs |
| 74. | 04/23/73 | 05/16/73 | 07/01/73 | 140,488 | Printing-Telegraphs |
| 75. | 04/23/73 | 06/27/73 | 02/24/74 | 147,917 | Duplex Telegraphs |
| 76. | 04/23/73 | 06/27/73 | 05/12/74 | 150,846 | Telegraph-Relays |
| 77. | 04/23/73 | 07/29/73 | 02/10/74 | 147,311 | Electric Telegraphs |
| 78. | 04/23/73 | 07/29/73 | 02/10/74 | 147,313 | Chemical Telegraphs |
| 79. | 04/23/73 | 07/29/73 | 03/02/75 | 160,405 | Adjustable Electro-Magnets for Relays, etc. |
| 80. | 08/25/73 | 09/02/73 | 05/26/74 | 151,209 | Automatic Telegraphy and Perforators Therefor |
| 81. | 09/29/73 | 06/01/74 | 03/02/75 | 160,402 | Solutions for Chemical Telegraph-Paper |
| 82. | 09/29/73 | 06/01/74 | 03/02/75 | 160,404 | Solutions for Chemical Telegraph-Paper |
| 83. | 10/14/73 | 06/01/74 | 03/09/75 | 160,580 | Solutions for Chemical Telegraph-Paper |
| 84. | 10/29/73 | 06/01/74 | 03/02/75 | 160,403 | Solutions for Chemical Telegraph-Paper |
| 85. | 04/02/74 | 05/11/74 | 09/08/74 | 154,788 | District Telegraph Signal-Boxes |
| 86. | 05/22/74 | 06/01/74 | 09/21/75 | 168,004 | Printing-Telegraphs |
| 87. | 06/01/74 | 07/25/74 | 08/17/75 | 166,859 | Chemical Telegraphy |
| 88. | 06/01/74 | 07/25/74 | 08/17/75 | 166,860 | Chemical Telegraphy |
| 89. | 06/01/74 | 07/25/74 | 08/17/75 | 166,861 | Chemical Telegraphy |
| 90. | 08/07/74 | 08/13/74 | 01/19/75 | 158,787 | Telegraph Apparatus |
| 91. | 08/07/74 | 01/15/75 | 01/18/76 | 172,305 | Automatic Roman-Character Telegraphs |
| 92. | 08/07/74 | 01/15/75 | 02/22/76 | 173,718 | Automatic Telegraphy |
| 93. | 08/14/74 | 01/15/75 | 10/05/75 | 168,465 | Solutions for Chemical Telegraphs |
| 94. | 08/19/74 | 09/01/74 | 05/30/76 | 178,221 | Duplex Telegraphs |
| 95. | 08/19/74 | 09/01/74 | 05/30/76 | 178,222 | Duplex Telegraphs |
| 96. | 08/19/74 | 09/01/74 | 05/30/76 | 178,223 | Duplex Telegraphs |
| 97. | 08/19/74 | 09/01/74 | 08/08/76 | 180,858 | Duplex Telegraphs |
| 98. | 08/19/74 | 09/01/74 | 09/03/78 | 207,723 | Duplex Telegraphs |
| 99. | 08/19/74 | 09/01/74 | 08/09/92 | 480,567 | Duplex Telegraph |
| 100. | 12/14/74 | 12/28/74 | 09/03/78 | 207,724 | Duplex Telegraphs |
| 101. | 01/18/75 | 01/26/75 | 09/28/75 | 168,242 | Transmitters and Receivers for Automatic Telegraphs |
| 102. | 01/18/75 | 01/26/75 | 09/28/75 | 168,243 | Automatic Telegraphs |
| 103. | 01/18/75 | 01/26/75 | 10/05/75 | 168,385 | Duplex Telegraphs |
| 104. | 01/18/75 | 01/26/75 | 10/05/75 | 168,466 | Solutions for Chemical Telegraphs |
| 105. | 01/18/75 | 01/26/75 | 10/05/75 | 168,467 | Recording-Points for Chemical Telegraphs |
| 106. | 01/18/75 | 01/27/75 | 10/02/77 | 195,751 | Automatic Telegraphs |
| 107. | 01/19/75 | 01/27/75 | 10/02/77 | 195,752 | Automatic Telegraphs |
| 108. | 02/11/75 | 02/16/75 | 12/21/75 | 171,273 | Telegraph Apparatus |
| 109. | 02/24/75 | 03/23/75 | 11/16/75 | 169,972 | Electric-Signalling Instruments |
| 110. | 02/24/75 | 03/23/75 | 10/22/78 | 209,241 | Quadruplex-Telegraph Repeaters |
| 111. | 03/07/76 | 03/13/76 | 08/08/76 | 180,857 | Autographic Printing |
| 112. | 04/03/76 | 04/06/76 | 12/11/77 | 198,088 | Telephonic Telegraphs |
| 113. | 04/03/76 | 04/06/76 | 12/11/77 | 198,089 | Telephonic or Electro-Harmonic Telegraphs |
| 114. | 05/09/76 | 05/16/76 | 10/10/76 | 182,996 | Acoustic Telegraphs |
| 115. | 05/09/76 | 05/16/76 | 01/16/77 | 186,330 | Acoustic Electric Telegraphs |
| 116. | 05/09/76 | 05/16/76 | 12/11/77 | 198,087 | Telephonic Telegraphs |
| 117. | 05/09/76 | 05/18/76 | 01/23/77 | 186,548 | Telegraphic Alarm and Signal Apparatus |
| 118. | 08/16/76 | 08/31/76 | 12/19/76 | 185,507 | Electro-Harmonic Multiplex Telegraphs |
| 119. | 08/26/76 | 09/18/76 | 03/05/78 | 200,993 | Acoustic Telegraphs |
| 120. | 08/26/76 | 09/30/76 | 12/07/80 | 235,142 | Acoustic Telegraph |
| 121. | 10/30/76 | 11/01/76 | 02/05/78 | 200,032 | Synchronous Movements for Electric Telegraphs |
| 122. | 10/30/76 | 11/11/76 | 03/05/78 | 200,994 | Automatic-Telegraph Perforator and Transmitter |
| 123. | 02/03/77 | 03/26/77 | 03/25/79 | 213,554 | Automatic Telegraphs |
| 124. | 03/03/77 | 03/26/77 | 06/25/78 | 205,370 | Pneumatic Stencil-Pens |
| 125. | 04/18/77 | 04/23/77 | 11/06/77 | 196,747 | Stencil-Pens |
| 126. | 04/18/77 | 04/23/77 | 05/07/78 | 203,329 | Perforating Pens |
| 127. | 04/18/77 | 04/27/77 | 05/03/92 | 474,230 | Speaking-Telegraph |
| 128. | 05/08/77 | 05/10/77 | 08/03/80 | 230,621 | Addressing-Machine |
| 129. | 05/08/77 | 05/14/77 | 07/22/79 | 217,781 | Sextuplex Telegraphs |
| 130. | 05/08/77 | 05/14/77 | 02/07/88 | 377,374 | Telegraphy |
| 131. | 05/31/77 | 06/02/77 | 05/26/91 | 452,913 | Sextuplex Telegraph |
| 132. | 05/31/77 | 06/02/77 | 06/02/91 | 453,601 | Sextuplex Telegraph |
| 133. | 05/31/77 | 06/02/77 | 01/16/94 | 512,872 | Sextuplex Telegraph |
| 134. | 07/09/77 | 07/20/77 | 05/03/92 | 474,231 | Speaking-Telegraph |
| 135. | 07/16/77 | 07/20/77 | 04/30/78 | 203,014 | Speaking-Telegraphs |
| 136. | 07/16/77 | 07/20/77 | 09/24/78 | 208,299 | Speaking-Telephones |
| 137. | 08/16/77 | 08/22/77 | 02/04/90 | 420,594 | Quadruplex Telegraph |
| 138. | 08/16/77 | 08/28/77 | 04/30/78 | 203,015 | Speaking-Telegraphs |
| 139. | 08/31/77 | 09/05/77 | 03/07/93 | 492,789 | Speaking-Telegraph |
| 140. | 12/08/77 | 12/13/77 | 04/30/78 | 203,013 | Speaking-Telegraphs |
| 141. | 12/08/77 | 12/13/77 | 04/30/78 | 203,018 | Telephones or Speaking-Telegraphs |
| 142. | 12/15/77 | 12/24/77 | 02/19/78 | 200,521 | Phonograph or Speaking Machines |
| 143. | 02/13/78 | 02/21/78 | 04/30/78 | 203,019 | Circuits for Acoustic or Telephonic Telegraphs |
| 144. | 02/28/78 | 03/04/78 | 03/26/78 | 201,760 | Speaking-Machines |
| 145. | 02/28/78 | 03/04/78 | 04/30/78 | 203,017 | Telephone Call-Signal |
| 146. | 02/28/78 | 03/07/78 | 04/30/78 | 203,016 | Speaking-Telephones |
| 147. | 08/31/78 | 11/27/78 | 12/10/78 | 210,767 | Vocal Engines |
| 148. | 10/05/78 | 10/14/78 | 04/22/79 | 214,636 | Electric Lights |
| 149. | 11/08/78 | 11/11/78 | 12/09/79 | 222,390 | Carbon-Telephones |
| 150. | 11/11/78 | 11/14/78 | 07/22/79 | 217,782 | Duplex Telegraphs |
| 151. | 11/14/78 | 11/18/78 | 04/22/79 | 214,637 | Thermal Regulators for Electric Lights |
| 152. | 12/03/78 | 12/09/78 | 08/05/79 | 218,166 | Magneto-Electric Machines |
| 153. | 12/03/78 | 12/09/78 | 08/26/79 | 218,866 | Electric Lighting Apparatus |
| 154. | 12/03/78 | 12/09/78 | 09/16/79 | 219,628 | Electric Lights |
| 155. | 12/04/78 | 12/09/78 | 04/01/84 | 295,990 | Type-Writer |
| 156. | 12/31/78 | 01/10/79 | 08/05/79 | 218,167 | Apparatus for Electric Lights |
| 157. | 01/23/79 | 02/03/79 | 02/10/80 | 224,329 | Electric-Lighting Apparatus |
| 158. | 01/28/79 | 02/03/79 | 05/04/80 | 227,228 | Electric Light |
| 159. | 02/06/79 | 02/10/79 | 05/04/80 | 227,227 | Electric Light |
| 160. | 03/10/79 | 03/17/79 | 02/17/80 | 224,665 | Autographic Stencils for Printing |
| 161. | 03/19/79 | 03/29/79 | 05/18/80 | 227,679 | Phonograph |
| 162. | 03/24/79 | 03/31/79 | 11/25/79 | 221,957 | Telephones |
| 163. | 04/12/79 | 04/21/79 | 05/04/80 | 227,229 | Electric Light |
| 164. | 04/21/79 | 05/12/79 | 09/19/82 | 264,643 | Magneto-Electric Machine |
| 165. | 07/07/79 | 07/10/79 | 09/09/79 | 219,393 | Dynamo-Electric Machine |
| 166. | 07/17/79 | 07/25/79 | 08/31/80 | 231,704 | Electro-Chemical Receiving-Telephone |
| 167. | 08/01/79 | 08/06/79 | 10/17/82 | 266,022 | Telephone |
| 168. | 08/04/79 | 08/06/79 | 01/17/82 | 252,442 | Telephone |
| 169. | 09/04/79 | 09/10/79 | 12/23/79 | 222,881 | Magneto-Electric Machines |
| 170. | 11/01/79 | 11/04/79 | 01/27/80 | 223,898 | Electric Lamp |
Last Updated: 10/28/2016
- Patent Number: 248,416–288,318
- Dates: July 1881–Dec. 1883
The following list contains the 256 patents for which Edison executed an application between January 1880 and December 1882. It is arranged in chronological order by execution date, which is the date on which Edison signed the application and the date in the patenting process that comes closest to the time of actual inventive activity. The application date is the date on which the Patent Office received and recorded the application; the issue date, the time at which the patent, having passed inspection and any legal challenges, was awarded.
| No. | Executed | Applied | Issued | Patent No. | Title |
|---|---|---|---|---|---|
| 171. | 01/28/80 | 02/05/80 | 07/20/80 | 230,255 | Method of Manufacturing Electric Lamps |
| 172. | 01/28/80 | 02/05/80 | 10/03/82 | 265,311 | Electric Lamp and Holder for the Same |
| 173. | 01/28/80 | 02/05/80 | 08/30/87 | 369,280 | System of Electrical Distribution |
| 174. | 01/28/80 | 03/29/80 | 10/18/81 | 248,425 | Apparatus for Producing High Vacuums |
| 175. | 03/10/80 | 03/20/80 | 06/08/80 | 228,617 | Brake for Electro-Magnetic Motors |
| 176. | 03/10/80 | 03/20/80 | 12/27/81 | 251,545 | Electric Meter |
| 177. | 03/10/80 | 03/20/80 | 09/11/94 | 525,888 | Manufacture of Carbons for Electric Lamps |
| 178. | 03/10/80 | 03/25/80 | 05/04/80 | 227,226 | Safety-Conductor for Electric Lights |
| 179. | 03/11/80 | 03/20/80 | 09/19/82 | 264,649 | Dynamo or Magneto Electric Machine |
| 180. | 04/03/80 | 04/07/80 | 06/01/80 | 228,329 | Magnetic Ore-Separator |
| 181. | 04/25/80 | 05/24/80 | 03/15/81 | 238,868 | Manufacture of Carbons for Incandescent Electric Lamps |
| 182. | 06/15/80 | 06/30/80 | 02/15/81 | 237,732 | Electric Light |
| 183. | 06/15/80 | 06/30/80 | 10/18/81 | 248,417 | Manufacturing Carbons for Electric Lights |
| 184. | 06/15/80 | 07/03/80 | 05/13/84 | 298,679 | Method of Treating Carbons for Electric Lights |
| 185. | 07/02/80 | 07/22/80 | 10/18/81 | 248,430 | Electro-Magnetic Brake |
| 186. | 07/03/80 | 07/22/80 | 10/10/82 | 265,778 | Electro-Magnetic Railway-Engine |
| 187. | 07/26/80 | 08/06/80 | 10/18/81 | 248,432 | Magnetic Separator |
| 188. | 07/27/80 | 08/06/80 | 03/22/81 | 239,150 | Electric Lamp |
| 189. | 07/28/80 | 08/06/80 | 12/27/81 | 251,540 | Carbon for Electric Lamps |
| 190. | 07/28/80 | 08/06/80 | 08/22/82 | 263,139 | Manufacture of Carbons for Electric Lamps |
| 191. | 07/28/80 | 08/09/80 | 03/29/81 | 239,372 | Testing Electric-Light Carbons |
| 192. | 07/29/80 | 08/09/80 | 08/19/90 | 434,585 | Telegraph-Relay |
| 193. | 07/30/80 | 08/09/80 | 08/22/82 | 263,140 | Dynamo-Electric Machine |
| 194. | 07/30/80 | 08/11/80 | 10/18/81 | 248,423 | Carbonizer |
| 195. | 07/31/80 | 08/09/80 | 03/22/81 | 239,147 | System of Electric Lighting |
| 196. | 07/31/80 | 08/09/80 | 10/18/81 | 248,434 | Governor for Electric Engines |
| 197. | 08/04/80 | 08/09/80 | 09/19/82 | 264,642 | Electric Distribution and Translation System |
| 198. | 08/06/80 | 08/09/80 | 02/12/84 | 293,433 | Insulation of Railroad-Tracks Used for Electrical Circuits |
| 199. | 08/07/80 | 08/17/80 | 03/29/81 | 239,373 | Electric Lamp |
| 200. | 08/07/80 | 08/17/80 | 04/05/81 | 239,745 | Electric Lamp |
| 201. | 08/07/80 | 08/17/80 | 08/22/82 | 263,135 | Electric Lamp |
| 202. | 08/10/80 | 08/17/80 | 12/27/81 | 251,546 | Electric Lamp |
| 203. | 08/11/80 | 08/27/80 | 03/22/81 | 239,153 | Electric Lamp |
| 204. | 08/11/80 | 08/27/80 | 11/02/86 | 351,855 | Electric Lamp |
| 205. | 08/12/80 | 10/01/80 | 10/18/81 | 248,435 | Utilizing Electricity as a Motive Power |
| 206. | 08/14/80 | 08/19/80 | 08/22/82 | 263,132 | Electro-Magnetic Railway |
| 207. | 09/01/80 | 10/07/80 | 09/19/82 | 264,645 | System of Conductors for the Distribution of Electricity |
| 208. | 09/22/80 | 10/07/80 | 04/26/81 | 240,678 | Webermeter |
| 209. | 10/14/80 | 10/30/80 | 03/22/81 | 239,152 | System of Electric Lighting |
| 210. | 10/15/80 | 10/30/80 | 03/22/81 | 239,148 | Treating Carbons for Electric Lamps |
| 211. | 10/21/80 | 10/30/80 | 12/27/81 | 251,556 | Regulator for Magneto or Dynamo Electric Machines |
| 212. | 10/21/80 | 11/05/80 | 06/14/81 | 242,900 | Manufacturing Carbons for Electric Lamps |
| 213. | 10/21/80 | 11/11/80 | 02/22/81 | 238,098 | Magneto Signal Apparatus |
| 214. | 11/05/80 | 11/24/80 | 10/18/81 | 248,426 | Apparatus for Treating Carbons for Electric Lamps |
| 215. | 11/19/80 | 11/24/80 | 03/22/81 | 239,151 | Method of Forming Enlarged Ends on Carbon Filaments |
| 216. | 11/23/80 | 11/30/80 | 12/27/81 | 12,631 | Design for an Incandescent Electric Lamp |
| 217. | 12/03/80 | 12/15/80 | 03/22/81 | 239,149 | Incandescing Electric Lamp |
| 218. | 12/03/80 | 12/15/80 | 06/14/81 | 242,896 | Incandescent Electric Lamp |
| 219. | 12/03/80 | 12/15/80 | 06/14/81 | 242,897 | Incandescent Electric Lamp |
| 220. | 12/03/80 | 12/15/80 | 10/18/81 | 248,565 | Webermeter |
| 221. | 12/03/80 | 12/15/80 | 09/05/82 | 263,878 | Electric Lamp |
| 222. | 12/11/80 | 12/14/80 | 03/22/81 | 239,154 | Relay for Telegraphs |
| 223. | 12/11/80 | 12/14/80 | 10/18/81 | 248,431 | Preserving Fruit |
| 224. | 12/11/80 | 12/15/80 | 06/14/81 | 242,898 | Magneto or Dynamo Electric Machine |
| 225. | 12/11/80 | 12/15/80 | 10/10/82 | 265,777 | Method of Treating Carbons for Electric Lamps |
| 226. | 12/16/80 | 01/11/81 | 03/29/81 | 239,374 | Regulating the Generation of Electric Currents |
| 227. | 12/16/80 | 01/11/81 | 10/18/81 | 248,428 | Manufacture of Incandescent Electric Lamps |
| 228. | 12/21/80 | 01/11/81 | 10/18/81 | 248,427 | Apparatus for Treating Carbons for Electric Lamps |
| 229. | 12/21/80 | 01/11/81 | 10/18/81 | 248,437 | Apparatus for Treating Carbons for Electric Lamps |
| 230. | 12/30/80 | 01/11/81 | 10/18/81 | 248,416 | Manufacture of Carbons for Electric Lamps |
| 231. | 01/19/81 | 01/26/81 | 06/14/81 | 242,899 | Electric Lighting |
| 232. | 01/19/81 | 01/31/81 | 10/18/81 | 248,418 | Electric Lamp |
| 233. | 01/19/81 | 01/31/81 | 10/18/81 | 248,433 | Vacuum Apparatus |
| 234. | 01/19/81 | 01/31/81 | 12/27/81 | 251,548 | Incandescent Electric Lamp |
| 235. | 01/19/81 | 01/31/81 | 07/09/89 | 406,824 | Electric Meter |
| 236. | 01/20/81 | 01/31/81 | 10/18/81 | 248,422 | System of Electric Lighting |
| 237. | 02/03/81 | 02/21/81 | 06/24/90 | 431,018 | Dynamo or Magneto-Electric Machine |
| 238. | 02/24/81 | 03/03/81 | 06/14/81 | 242,901 | Electric Meter |
| 239. | 02/24/81 | 03/03/81 | 10/18/81 | 248,429 | Electric Motor |
| 240. | 02/25/81 | 03/05/81 | 10/18/81 | 248,421 | Current-Regulator for Dynamo-Electric Machines |
| 241. | 02/26/81 | 03/03/81 | 12/27/81 | 251,550 | Magneto or Dynamo Electric Machine |
| 242. | 02/26/81 | 05/27/81 | 12/27/81 | 251,555 | Regulator for Dynamo-Electric Machines |
| 243. | 03/02/81 | 03/12/81 | 09/13/92 | 482,549 | Means for Controlling Electric Generation |
| 244. | 03/07/81 | 03/26/81 | 10/18/81 | 248,420 | Fixture and Attachment for Electric Lamps |
| 245. | 03/07/81 | 03/26/81 | 12/27/81 | 251,553 | Electric Chandelier |
| 246. | 03/07/81 | 03/26/81 | 12/27/81 | 251,554 | Electric Lamp and Socket or Holder |
| 247. | 03/08/81 | 03/26/81 | 10/18/81 | 248,424 | Fitting and Fixture for Electric Lamps |
| 248. | 03/30/81 | 04/15/81 | 10/18/81 | 248,419 | Electric Lamp |
| 249. | 04/19/81 | 04/26/81 | 12/27/81 | 251,542 | System of Electric Lighting |
| 250. | 04/19/81 | 04/26/81 | 08/22/82 | 263,145 | Process of Making Incandescents |
| 251. | 04/21/81 | 04/26/81 | 10/24/82 | 266,447 | Electric Incandescent Lamp |
| 252. | 04/22/81 | 04/26/81 | 12/27/81 | 251,552 | Underground Conductors |
| 253. | 04/22/81 | 04/26/81 | 06/07/92 | 476,531 | Electric-Lighting System |
| 254. | 05/17/81 | 05/27/81 | 10/18/81 | 248,436 | Depositing Cell for Plating the Connections of Electric Lamps, & c. |
| 255. | 05/17/81 | 05/27/81 | 12/27/81 | 251,539 | Electric Lamp |
| 256. | 05/17/81 | 05/27/81 | 08/22/82 | 263,136 | Regulator for Dynamo or Magneto Electric Machines |
| 257. | 05/19/81 | 05/27/81 | 12/27/81 | 251,557 | Webermeter |
| 258. | 05/19/81 | 05/28/81 | 08/22/82 | 263,134 | Regulator for Dynamo or Magneto Electric Machines |
| 259. | 05/20/81 | 05/31/81 | 12/27/81 | 251,541 | Electro-Magnetic Motor |
| 260. | 05/20/81 | 05/31/81 | 12/27/81 | 251,549 | Electric Lamp and the Manufacture Thereof |
| 261. | 05/20/81 | 05/31/81 | 05/11/86 | 341,644 | Incandescent Electric Lamp |
| 262. | 05/20/81 | 06/22/81 | 12/27/81 | 251,544 | Manufacture of Electric Lamps |
| 263. | 05/20/81 | 08/30/81 | 12/27/81 | 251,558 | Webermeter |
| 264. | 05/21/81 | 06/24/81 | 08/22/82 | 263,141 | Straightening Carbons of Electric Incandescent Lamps |
| 265. | 05/21/81 | 08/30/81 | 12/27/81 | 251,551 | System of Electric Lighting |
| 266. | 05/21/81 | 08/30/81 | 08/22/82 | 263,137 | Electric Chandelier |
| 267. | 05/21/81 | 08/30/81 | 09/19/82 | 264,657 | Incandescent Electric Lamp |
| 268. | 05/24/81 | 08/30/81 | 12/27/81 | 251,543 | Electric Lamp |
| 269. | 05/27/81 | 05/28/81 | 12/27/81 | 251,538 | Electric Light |
| 270. | 06/02/81 | 06/24/81 | 12/27/81 | 251,547 | Electrical Governor |
| 271. | 06/03/81 | 06/22/81 | 08/22/82 | 263,150 | Magneto or Dynamo Electric Machine |
| 272. | 06/03/81 | 06/22/81 | 04/15/90 | 425,760 | Measurement of Electricity in Distribution Systems |
| 273. | 06/04/81 | 06/22/81 | 08/22/82 | 263,131 | Magnetic Ore-Separator |
| 274. | 06/21/81 | 09/03/81 | 09/02/90 | 435,687 | Means for Charging and Using Secondary Batteries |
| 275. | 06/24/81 | 08/30/81 | 08/22/82 | 263,143 | Magneto or Dynamo Electric Machine |
| 276. | 06/25/81 | 08/30/81 | 12/27/81 | 251,537 | Dynamo-Electric Machine |
| 277. | 07/01/81 | 08/30/81 | 08/22/82 | 263,147 | Vacuum Apparatus |
| 278. | 07/01/81 | 08/30/81 | 10/28/90 | 439,389 | Electric-Lighting System |
| 279. | 07/22/81 | 10/04/81 | 08/22/82 | 263,149 | Commutator for Dynamo or Magneto Electric Machines |
| 280. | 07/26/81 | 12/06/81 | 07/19/92 | 479,184 | Fac-simile Telegraph |
| 281. | 08/11/81 | 08/25/82 | 03/26/89 | 400,317 | Ore-Separator |
| 282. | 08/20/81 | 11/15/81 | 04/15/90 | 425,763 | Commutator for Dynamo-Electric Machines |
| 283. | 08/24/81 | 10/04/81 | 08/22/82 | 263,142 | Electrical Distribution System |
| 284. | 08/24/81 | 10/04/81 | 09/19/82 | 264,647 | Dynamo or Magneto Electric Machine |
| 285. | 08/24/81 | 10/04/81 | 06/11/89 | 404,902 | Electrical-Distribution System |
| 286. | 08/24/81 | 11/11/81 | 08/22/82 | 263,133 | Dynamo or Magneto Electric Machine |
| 287. | 09/07/81 | 10/17/81 | 05/09/82 | 257,677 | Telephone |
| 288. | 09/07/81 | 10/17/81 | 10/17/82 | 266,021 | Telephone |
| 289. | 09/19/81 | 11/11/81 | 08/22/82 | 263,144 | Mold for Carbonizing Incandescents |
| 290. | 09/21/81 | 11/11/81 | 10/10/82 | 265,774 | Method of Maintaining Temperature in Webermeters |
| 291. | 09/23/81 | 11/11/81 | 09/19/82 | 264,648 | Dynamo or Magneto Electric Machine |
| 292. | 09/27/81 | 11/11/81 | 10/10/82 | 265,776 | Electric-Lighting System |
| 293. | 09/27/81 | 11/11/81 | 08/07/94 | 524,136 | Regulator for Dynamo-Electric Machines |
| 294. | 10/04/81 | 08/07/82 | 03/13/83 | 273,715 | Art of Malleableizing Iron |
| 295. | 10/05/81 | 11/11/81 | 07/17/83 | 281,352 | Webermeter |
| 296. | 10/11/81 | 08/07/82 | 02/17/91 | 446,667 | Locomotive for Electric Railways |
| 297. | 10/17/81 | 11/11/81 | 11/13/83 | 288,318 | Regulator for Dynamo or Magneto Electric Machines |
| 298. | 10/25/81 | 11/11/81 | 12/27/81 | 251,559 | Electrical Drop-Light |
| 299. | 10/25/81 | 11/28/81 | 08/22/82 | 263,148 | Dynamo or Magneto Electric Machine |
| 300. | 10/25/81 | 11/28/81 | 09/19/82 | 264,646 | Dynamo or Magneto Electric Machine |
| 301. | 10/25/81 | 12/09/81 | 10/31/82 | 266,793 | Electric Distribution System |
| 302. | 10/29/81 | 11/28/81 | 03/01/87 | 358,599 | Incandescent Electric Lamp |
| 303. | 11/03/81 | 11/28/81 | 09/19/82 | 264,673 | Regulator for Dynamo-Electric Machines |
| 304. | 11/07/81 | 11/28/81 | 08/22/82 | 263,138 | Electric-Arc Light |
| 305. | 11/07/81 | 11/28/81 | 10/10/82 | 265,775 | Electric-Arc Light |
| 306. | 11/07/81 | 11/28/81 | 04/29/84 | 297,580 | Electric-Arc Light |
| 307. | 11/22/81 | 11/29/81 | 08/22/82 | 263,146 | Dynamo Magneto Electric Machine |
| 308. | 11/22/81 | 11/29/81 | 05/12/85 | 317,631 | Incandescent Electric Lamp |
| 309. | 11/25/81 | 12/06/81 | 10/24/82 | 266,588 | Vacuum Apparatus |
| 310. | 12/05/81 | 12/07/81 | 12/27/81 | 251,536 | Vacuum-Pump |
| 311. | 12/05/81 | 12/09/81 | 09/19/82 | 264,650 | Manufacture of Incandescing Electric Lamps |
| 312. | 12/05/81 | 12/09/81 | 03/20/88 | 379,770 | Incandescent Electric Lamp |
| 313. | 12/05/81 | 08/07/82 | 09/19/82 | 264,660 | Regulator for Dynamo-Electric Machines |
| 314. | 12/05/81 | 08/07/82 | 02/12/84 | 293,434 | Incandescent Electric Lamp |
| 315. | 12/05/81 | 08/07/82 | 10/28/90 | 439,391 | Junction-Box for Electric Wires |
| 316. | 12/05/81 | 08/07/82 | 06/23/91 | 454,558 | Incandescent Electric Lamp |
| 317. | 12/13/81 | 08/07/82 | 09/19/82 | 264,653 | Incandescent Electric Lamp |
| 318. | 12/13/81 | 08/07/82 | 03/01/87 | 358,600 | Incandescing Electric Lamp |
| 319. | 12/15/81 | 08/07/82 | 09/19/82 | 264,652 | Incandescent Electric Lamp |
| 320. | 12/15/81 | 08/07/82 | 05/29/83 | 278,419 | Dynamo-Electric Machine |
| 321. | 01/17/82 | 08/07/82 | 10/10/82 | 265,779 | Regulator for Dynamo-Electric Machines |
| 322. | 02/10/82 | 08/07/82 | 09/19/82 | 264,654 | Incandescent Electric Lamp |
| 323. | 02/10/82 | 08/07/82 | 09/19/82 | 264,661 | Regulator for Dynamo-Electric Machines |
| 324. | 02/10/82 | 08/07/82 | 09/19/82 | 264,664 | Regulator for Dynamo-Electric Machines |
| 325. | 02/10/82 | 08/07/82 | 09/19/82 | 264,668 | Regulator for Dynamo-Electric Machines |
| 326. | 02/10/82 | 08/07/82 | 09/19/82 | 264,669 | Regulator for Dynamo-Electric Machines |
| 327. | 02/10/82 | 08/07/82 | 09/19/82 | 264,671 | Regulator for Dynamo-Electric Machines |
| 328. | 02/10/82 | 08/07/82 | 04/10/83 | 275,613 | Incandescing Electric Lamp |
| 329. | 02/10/82 | 08/07/82 | 04/16/89 | 401,646 | Incandescing Electric Lamp |
| 330. | 02/28/82 | 08/07/82 | 09/19/82 | 264,658 | Regulator for Dynamo-Electric Machines |
| 331. | 02/28/82 | 08/07/82 | 09/19/82 | 264,659 | Regulator for Dynamo-Electric Machines |
| 332. | 02/28/82 | 08/07/82 | 10/10/82 | 265,780 | Regulator for Dynamo-Electric Machines |
| 333. | 02/28/82 | 08/07/82 | 10/10/82 | 265,781 | Regulator for Dynamo-Electric Machines |
| 334. | 02/28/82 | 08/07/82 | 05/29/83 | 278,416 | Manufacture of Incandescing Electric Lamps |
| 335. | 02/28/82 | 08/07/82 | 03/20/88 | 379,771 | Regulator for Dynamo-Electric Machines |
| 336. | 03/30/82 | 10/06/82 | 02/13/83 | 272,034 | Telephone |
| 337. | 03/30/82 | 10/06/82 | 03/27/83 | 274,576 | Transmitting-Telephone |
| 338. | 03/30/82 | 10/06/82 | 03/27/83 | 274,577 | Telephone |
| 339. | 05/01/82 | 05/17/82 | 11/28/82 | 268,205 | Dynamo or Magneto Electric Machine |
| 340. | 05/01/82 | 08/07/82 | 09/19/82 | 264,662 | Regulator for Dynamo-Electric Machines |
| 341. | 05/01/82 | 08/07/82 | 09/19/82 | 264,663 | Regulator for Dynamo-Electric Machines |
| 342. | 05/01/82 | 08/07/82 | 09/19/82 | 264,665 | Regulator for Dynamo-Electric Machines |
| 343. | 05/01/82 | 08/07/82 | 09/19/82 | 264,666 | Regulator for Dynamo-Electric Machines |
| 344. | 05/01/82 | 08/07/82 | 03/06/83 | 273,488 | Regulator for Dynamo-Electric Machines |
| 345. | 05/19/82 | 05/26/82 | 09/29/91 | 460,122 | Process of and Apparatus for Generating Electricity |
| 346. | 05/19/82 | 05/26/82 | 01/05/92 | 466,460 | Art of Electrolytic Decomposition |
| 347. | 05/19/82 | 06/26/82 | 03/06/83 | 273,492 | Secondary Battery |
| 348. | 05/22/82 | 08/07/82 | 09/19/82 | 264,667 | Regulator for Dynamo-Electric Machines |
| 349. | 05/22/82 | 08/07/82 | 09/19/82 | 264,672 | Regulator for Dynamo-Electric Machines |
| 350. | 05/22/82 | 08/07/82 | 10/10/82 | 265,786 | Apparatus for the Electrical Transmission of Power |
| 351. | 05/22/82 | 08/07/82 | 03/13/83 | 273,828 | System of Underground Conductors for Electrical Distribution |
| 352. | 05/22/82 | 08/07/82 | 03/20/88 | 379,772 | System of Electrical Distribution |
| 353. | 06/03/82 | 08/07/82 | 03/20/83 | 274,292 | Secondary Battery |
| 354. | 06/03/82 | 08/07/82 | 06/28/87 | 365,509 | Filament for Incandescent Electric Lamps |
| 355. | 06/03/82 | 08/07/82 | 02/17/91 | 446,668 | Electric-Arc Light |
| 356. | 06/03/82 | 08/07/82 | 08/06/95 | 543,985 | Incandescent Conductor for Electric Lamps |
| 357. | 06/03/82 | 09/13/82 | 07/17/83 | 281,353 | Dynamo or Magneto Electric Machine |
| 358. | 06/03/82 | 09/13/82 | 10/30/83 | 287,523 | Dynamo or Magneto Electric Machine |
| 359. | 06/09/82 | 08/07/82 | 09/19/82 | 264,651 | Incandescent Electric Lamp |
| 360. | 06/09/82 | 08/07/82 | 09/19/82 | 264,655 | Incandescing Electric Lamp |
| 361. | 06/09/82 | 08/07/82 | 09/19/82 | 264,670 | Regulator for Dynamo-Electric Machines |
| 362. | 06/09/82 | 08/07/82 | 03/06/83 | 273,489 | Turn-Table for Electric Railways |
| 363. | 06/09/82 | 08/07/82 | 03/06/83 | 273,490 | Electro-Magnetic Railway System |
| 364. | 06/12/82 | 08/07/82 | 04/16/89 | 401,486 | System of Electric Lighting |
| 365. | 06/12/82 | 08/07/82 | 06/07/92 | 476,527 | System of Electric Lighting |
| 366. | 06/19/82 | 06/26/82 | 10/28/90 | 439,390 | System of Electric Lighting |
| 367. | 06/19/82 | 06/26/82 | 02/17/91 | 446,666 | System of Electric Lighting |
| 368. | 06/19/82 | 06/28/82 | 12/08/91 | 464,822 | System of Distributing Electricity |
| 369. | 06/24/82 | 08/14/82 | 08/26/84 | 304,082 | Electrical Meter |
| 370. | 07/05/82 | 08/14/82 | 03/20/83 | 274,296 | Manufacture of Incandescents |
| 371. | 07/07/82 | 08/14/82 | 09/19/82 | 264,656 | Incandescent Electric Lamp |
| 372. | 07/07/82 | 08/14/82 | 10/10/82 | 265,782 | Regulator for Dynamo-Electric Machines |
| 373. | 07/07/82 | 08/14/82 | 10/10/82 | 265,783 | Regulator for Dynamo-Electric Machines |
| 374. | 07/07/82 | 08/14/82 | 10/10/82 | 265,784 | Regulator for Dynamo-Electric Machines |
| 375. | 07/07/82 | 08/14/82 | 10/10/82 | 265,785 | Dynamo-Electric Machine |
| 376. | 07/07/82 | 08/14/82 | 03/06/83 | 273,494 | Electrical Railroad |
| 377. | 07/07/82 | 08/14/82 | 05/29/83 | 278,418 | Apparatus for Translating Electric Currents From High to Low Tension |
| 378. | 07/07/82 | 08/14/82 | 02/12/84 | 293,435 | Electrical Meter |
| 379. | 07/07/82 | 08/14/82 | 01/26/86 | 334,853 | Mold for Carbonizing |
| 380. | 07/07/82 | 08/14/82 | 04/06/86 | 339,278 | Electric Railway |
| 381. | 08/05/82 | 08/07/82 | 03/13/83 | 273,714 | Magneto-Electric Signaling Apparatus |
| 382. | 08/05/82 | 08/07/82 | 07/31/83 | 282,287 | Magneto-Electric Signaling Apparatus |
| 383. | 08/05/82 | 08/07/82 | 03/24/91 | 448,778 | Electric Railway |
| 384. | 08/12/82 | 08/22/82 | 10/28/90 | 439,392 | Electric-Lighting System |
| 385. | 08/25/82 | 09/13/82 | 02/06/83 | 271,613 | Manufacture of Incandescing Electric Lamps |
| 386. | 08/25/82 | 09/13/82 | 10/30/83 | 287,518 | Method of Manufacturing Incandescing Electric Lamps |
| 387. | 08/25/82 | 09/13/82 | 07/09/89 | 406,825 | Electric Meter |
| 388. | 08/25/82 | 09/13/82 | 10/28/90 | 439,393 | Carbonizing-Chamber |
| 389. | 09/12/82 | 09/22/82 | 03/06/83 | 273,487 | Regulator for Dynamo-Electric Machines |
| 390. | 09/12/82 | 09/22/82 | 04/29/84 | 297,581 | Incandescent Electric Lamp |
| 391. | 09/16/82 | 09/22/82 | 01/08/89 | 395,962 | Method of Manufacturing Electric Lamps |
| 392. | 10/04/82 | 10/20/82 | 10/30/83 | 287,525 | Regulator for Systems of Electrical Distribution |
| 393. | 10/05/82 | 10/12/82 | 06/28/87 | 365,465 | Valve-Gear |
| 394. | 10/09/82 | 10/12/82 | 10/21/84 | 307,029 | Filament for Incandescent Lamps |
| 395. | 10/10/82 | 10/12/82 | 11/28/82 | 268,206 | Incandescing Electric Lamp |
| 396. | 10/12/82 | 10/20/82 | 03/06/83 | 273,486 | Incandescing Electric Lamp |
| 397. | 10/14/82 | 10/20/82 | 03/20/83 | 274,293 | Electric Lamp |
| 398. | 10/14/82 | 10/20/82 | 04/10/83 | 275,612 | Manufacture of Incandescing Electric Lamps |
| 399. | 10/14/82 | 10/20/82 | 06/24/90 | 430,932 | Manufacture of Incandescent Lamps |
| 400. | 10/16/82 | 10/20/82 | 02/06/83 | 271,616 | Regulator for Dynamo-Electric Machines |
| 401. | 10/17/82 | 10/20/82 | 08/06/95 | 543,986 | Process of Treating and Products Derived from Vegetable Fibers |
| 402. | 10/17/82 | 10/20/82 | 08/06/95 | 543,987 | Filament for Incandescent Lamps |
| 403. | 10/19/82 | 10/20/82 | 02/06/83 | 271,614 | Shafting |
| 404. | 10/19/82 | 10/20/82 | 09/17/89 | 411,016 | Manufacture of Carbon Filaments |
| 405. | 10/19/82 | 10/26/82 | 03/06/83 | 273,491 | Regulator for Driving Engines of Electrical Generators |
| 406. | 10/19/82 | 10/26/82 | 03/06/83 | 273,493 | Valve-Gear for Electrical Generator-Engines |
| 407. | 10/19/82 | 10/26/82 | 02/21/93 | 492,150 | Process of Coating Conductors for Incandescent Lamps |
| 408. | 10/19/82 | 11/09/82 | 02/06/83 | 271,615 | Governor for Dynamo-Electric Machines |
| 409. | 10/26/82 | 11/09/82 | 03/06/83 | 273,485 | Incandescing Electric Lamp |
| 410. | 10/26/82 | 11/09/82 | 05/12/85 | 317,632 | Incandescent Electric Lamp |
| 411. | 10/26/82 | 11/09/82 | 05/12/85 | 317,633 | Incandescent Electric Lamp |
| 412. | 11/03/82 | 11/09/82 | 10/30/83 | 287,520 | Incandescing Conductor for Electric Lamps |
| 413. | 11/03/82 | 11/09/82 | 12/07/86 | 353,783 | Incandescent Electric Lamp |
| 414. | 11/03/82 | 11/09/82 | 06/24/90 | 430,933 | Filament for Incandescent Lamps |
| 415. | 11/13/82 | 11/23/82 | 03/20/83 | 274,294 | Incandescing Electric Lamp |
| 416. | 11/13/82 | 11/23/82 | 07/17/83 | 281,350 | Regulator for Dynamo-Electric Machines |
| 417. | 11/14/82 | 11/23/82 | 03/20/83 | 274,295 | Incandescent Electric Lamp |
| 418. | 11/14/82 | 11/23/82 | 04/24/83 | 276,233 | Electrical Generator and Motor |
| 419. | 11/20/82 | 11/27/82 | 03/20/83 | 274,290 | System of Electrical Distribution |
| 420. | 11/28/82 | 12/08/82 | 03/20/83 | 274,291 | Mold for Carbonizing |
| 421. | 11/28/82 | 12/08/82 | 05/29/83 | 278,413 | Regulator for Dynamo-Electric Machines |
| 422. | 11/28/82 | 12/08/82 | 05/29/83 | 278,414 | Regulator for Dynamo-Electric Machines |
| 423. | 11/28/82 | 12/08/82 | 10/30/83 | 287,519 | Incandescing Electric Lamp |
| 424. | 11/28/82 | 12/08/82 | 10/30/83 | 287,524 | Regulator for Dynamo-Electric Machines |
| 425. | 11/28/82 | 12/08/82 | 10/14/90 | 438,298 | Manufacture of Incandescent Electric Lamps |
| 426. | 12/20/82 | 01/08/83 | 04/24/83 | 276,232 | Means for Operating and Regulating Electrical Generators |
Last Updated: 10/28/2016
- Patent Number: 293,432–431,018
- Dates: Jan. 1884–June 1890
The following list contains the 226 patents for which Edison executed an application between January 1883 and December 1889. It is arranged in chronological order by execution date, which is the date on which Edison signed the application and the date in the patenting process that comes closest to the time of actual inventive activity. The application date is the date on which the Patent Office received and recorded the application; the issue date, the time at which the patent, having passed inspection and any legal challenges, was awarded.
| No. | Executed | Applied | Issued | Patent No. | Title |
|---|---|---|---|---|---|
| 427. | 01/13/83 | 01/22/83 | 05/29/83 | 278,415 | Manufacture of Incandescing Electric Lamps |
| 428. | 01/13/83 | 01/22/83 | 05/29/83 | 278,417 | Manufacture of Incandescing Electric Lamps |
| 429. | 01/13/83 | 01/22/83 | 07/17/83 | 281,349 | Regulator for Dynamo-Electric Machines |
| 430. | 01/13/83 | 01/22/83 | 08/28/83 | 283,985 | System of Electrical Distribution |
| 431. | 01/13/83 | 01/22/83 | 08/28/83 | 283,986 | System of Electrical Distribution |
| 432. | 01/13/83 | 01/22/83 | 09/22/91 | 459,835 | Manufacture of Incandescent Electric Lamps |
| 433. | 02/13/83 | 03/16/83 | 05/29/83 | 13,940 | Design for Incandescing Electric Lamp |
| 434. | 02/13/83 | 03/16/83 | 07/03/83 | 280,727 | System of Electrical Distribution |
| 435. | 02/13/83 | 03/16/83 | 12/25/88 | 395,123 | Circuit-Controller for Dynamo-Electric Machines |
| 436. | 02/17/83 | 03/16/83 | 10/30/83 | 287,521 | Dynamo or Magneto Electric Machine |
| 437. | 02/17/83 | 03/16/83 | 10/30/83 | 287,522 | Mold for Carbonizing |
| 438. | 02/17/83 | 03/16/83 | 10/14/90 | 438,299 | Manufacture of Carbon Filaments |
| 439. | 02/17/83 | 03/16/83 | 02/17/91 | 446,669 | Manufacture of Filaments for Incandescent Electric Lamps |
| 440. | 02/17/83 | 03/16/83 | 06/07/92 | 476,528 | Incandescent Electric Lamp |
| 441. | 03/05/83 | 03/16/83 | 07/17/83 | 281,351 | Electrical Generator |
| 442. | 03/05/83 | 03/16/83 | 08/28/83 | 283,984 | System of Electrical Distribution |
| 443. | 03/14/83 | 03/16/83 | 10/30/83 | 287,517 | System of Electrical Distribution |
| 444. | 04/05/83 | 04/17/83 | 08/28/83 | 283,983 | System of Electrical Distribution |
| 445. | 04/06/83 | 04/17/83 | 12/14/86 | 354,310 | Manufacture of Carbon Conductors |
| 446. | 04/06/83 | 04/17/83 | 09/20/87 | 370,123 | Electric Meter |
| 447. | 04/06/83 | 04/17/83 | 09/17/89 | 411,017 | Carbonizing-Flask |
| 448. | 04/12/83 | 04/20/83 | 09/20/87 | 370,124 | Manufacture of Filaments for Incandescing Electric Lights |
| 449. | 05/08/83 | 05/14/83 | 10/30/83 | 287,516 | System of Electrical Distribution |
| 450. | 05/08/83 | 05/14/83 | 05/11/86 | 341,839 | Incandescing Electric Lamp |
| 451. | 05/08/83 | 05/14/83 | 02/26/89 | 398,774 | Incandescent Electric Lamp |
| 452. | 06/01/83 | 06/07/83 | 09/20/87 | 370,125 | Electrical Transmission of Power |
| 453. | 06/01/83 | 06/07/83 | 09/20/87 | 370,126 | Electrical Transmission of Power |
| 454. | 06/01/83 | 06/07/83 | 09/20/87 | 370,127 | Electrical Transmission of Power |
| 455. | 06/01/83 | 06/07/83 | 09/20/87 | 370,128 | Electrical Transmission of Power |
| 456. | 06/01/83 | 06/07/83 | 09/20/87 | 370,129 | Electrical Transmission of Power |
| 457. | 06/01/83 | 06/07/83 | 09/20/87 | 370,130 | Electrical Transmission of Power |
| 458. | 06/01/83 | 06/07/83 | 09/20/87 | 370,131 | Electrical Transmission of Power |
| 459. | 06/01/83 | 06/07/83 | 10/14/90 | 438,300 | Gage for Testing Fibers for Incandescent-Lamp Carbons |
| 460. | 06/25/83 | 06/29/83 | 10/30/83 | 287,511 | Electric Regulator |
| 461. | 06/25/83 | 06/29/83 | 10/30/83 | 287,512 | Dynamo-Electric Machine |
| 462. | 06/25/83 | 06/29/83 | 10/30/83 | 287,513 | Dynamo-Electric Machine |
| 463. | 06/25/83 | 06/29/83 | 10/30/83 | 287,514 | Dynamo-Electric Machine |
| 464. | 06/25/83 | 06/29/83 | 10/30/83 | 287,515 | System of Electrical Distribution |
| 465. | 06/25/83 | 06/29/83 | 04/29/84 | 297,582 | Dynamo-Electric Machine |
| 466. | 06/25/83 | 06/29/83 | 10/20/85 | 328,572 | Commutator for Dynamo-Electric Machines |
| 467. | 06/25/83 | 06/29/83 | 06/24/90 | 430,934 | Electric-Lighting System |
| 468. | 06/25/83 | 06/29/83 | 10/14/90 | 438,301 | System of Electric Lighting |
| 469. | 07/27/83 | 10/10/83 | 04/29/84 | 297,583 | Dynamo-Electric Machine |
| 470. | 07/27/83 | 10/10/83 | 08/26/84 | 304,083 | Dynamo-Electric Machine |
| 471. | 07/27/83 | 10/10/83 | 08/26/84 | 304,084 | Device for Protecting Electric-Light Systems from Lightning |
| 472. | 07/27/83 | 10/10/83 | 10/14/90 | 438,302 | Commutator for Dynamo-Electric Machines |
| 473. | 07/27/83 | 10/10/83 | 06/07/92 | 476,529 | System of Electrical Distribution |
| 474. | 08/08/83 | 10/10/83 | 04/29/84 | 297,584 | Dynamo-Electric Machine |
| 475. | 08/08/83 | 10/10/83 | 10/21/84 | 307,030 | Electrical Meter |
| 476. | 09/14/83 | 09/19/83 | 09/02/90 | 435,688 | Process of and Apparatus for Generating Electricity |
| 477. | 09/14/83 | 10/10/83 | 04/29/84 | 297,585 | Incandescing Conductor for Electric Lamps |
| 478. | 09/14/83 | 10/10/83 | 04/29/84 | 297,586 | Electrical Conductor |
| 479. | 09/14/83 | 10/10/83 | 03/15/92 | 470,922 | Manufacture of Filaments for Incandescent Lamps |
| 480. | 10/09/83 | 11/01/83 | 01/31/93 | 490,953 | Art of Generating Electricity |
| 481. | 10/17/83 | 10/18/83 | 02/12/84 | 293,432 | Electrical Generator or Motor |
| 482. | 11/02/83 | 11/15/83 | 10/21/84 | 307,031 | Electrical Indicator |
| 483. | 11/10/83 | 11/13/83 | 03/02/86 | 337,254 | Telephone |
| 484. | 11/15/83 | 12/12/83 | 04/29/84 | 297,587 | Dynamo-Electric Machine |
| 485. | 11/15/83 | 12/12/83 | 05/20/84 | 298,954 | Dynamo-Electric Machine |
| 486. | 11/15/83 | 12/12/83 | 05/20/84 | 298,955 | Dynamo-Electric Machine |
| 487. | 11/15/83 | 12/12/83 | 08/26/84 | 304,085 | System of Electrical Distribution |
| 488. | 11/15/83 | 12/12/83 | 11/28/93 | 509,517 | System of Electrical Distribution |
| 489. | 11/20/83 | 11/22/83 | 04/15/90 | 425,761 | Incandescent Lamp |
| 490. | 12/15/83 | 01/04/84 | 02/12/95 | 534,206 | Filament for Incandescent Lamps |
| 491. | 12/15/83 | 01/24/84 | 08/26/84 | 304,086 | Incandescent Electric Lamp |
| 492. | 01/05/84 | 01/24/84 | 05/20/84 | 298,956 | Mode of Operating Dynamo-Electric Machines |
| 493. | 01/12/84 | 01/24/84 | 08/26/84 | 304,087 | Electrical Conductor |
| 494. | 01/22/84 | 01/28/84 | 09/18/94 | 526,147 | Art of Plating One Material with Another |
| 495. | 01/22/84 | 04/05/84 | 01/08/89 | 395,963 | Incandescent-Lamp Filament |
| 496. | 02/08/84 | 04/05/84 | 04/06/86 | 339,279 | System of Electrical Distribution |
| 497. | 02/09/84 | 03/19/84 | 03/17/85 | 314,115 | Chemical Stock Quotation Telegraph |
| 498. | 06/02/84 | 06/10/84 | 09/23/90 | 436,968 | Method of and Apparatus for Drawing Wire |
| 499. | 06/02/84 | 06/10/84 | 09/23/90 | 436,969 | Method of and Apparatus for Drawing Wire |
| 500. | 06/02/84 | 06/10/84 | 10/14/90 | 438,303 | Arc Lamp |
| 501. | 06/27/84 | 08/07/84 | 06/01/86 | 343,017 | System of Electrical Distribution |
| 502. | 07/16/84 | 08/07/84 | 10/23/88 | 391,595 | System of Electric Lighting |
| 503. | 09/12/84 | 10/02/84 | 10/20/85 | 328,573 | System of Electric Lighting |
| 504. | 09/12/84 | 10/02/84 | 10/20/85 | 328,574 | System of Electric Lighting |
| 505. | 09/12/84 | 10/02/84 | 10/20/85 | 328,575 | System of Electric Lighting |
| 506. | 09/24/84 | 10/02/84 | 10/23/88 | 391,596 | Incandescent Electric Lamp |
| 507. | 09/24/84 | 12/15/84 | 10/14/90 | 438,304 | Electric Signaling Apparatus |
| 508. | 10/21/84 | 12/01/84 | 03/04/90 | 422,577 | Apparatus for Speaking-Telephones |
| 509. | 12/03/84 | 12/15/84 | 10/27/85 | 329,030 | Telephone |
| 510. | 12/09/84 | 12/15/84 | 04/27/86 | 340,707 | Telephonic Repeater |
| 511. | 12/09/84 | 12/15/84 | 03/04/90 | 422,578 | Telephonic Repeater |
| 512. | 12/09/84 | 12/15/84 | 03/04/90 | 422,579 | Telephonic Repeater |
| 513. | 12/19/84 | 01/12/85 | 04/27/86 | 340,708 | Electrical Signaling Apparatus |
| 514. | 12/19/84 | 01/12/85 | 08/10/86 | 347,097 | Electrical Signaling Apparatus |
| 515. | 12/31/84 | 10/14/85 | 07/12/92 | 478,743 | Telephone-Repeater |
| 516. | 01/02/85 | 10/14/85 | 04/27/86 | 340,709 | Telephone-Circuit |
| 517. | 01/09/85 | 10/14/85 | 02/14/88 | 378,044 | Telephone-Transmitter |
| 518. | 01/12/85 | 10/14/85 | 08/24/86 | 348,114 | Electrode for Telephone-Transmitters |
| 519. | 01/14/85 | 10/14/85 | 10/14/90 | 438,305 | Fuse-Block |
| 520. | 03/27/85 | 04/07/85 | 10/05/86 | 350,234 | System of Railway Signaling |
| 521. | 03/27/85 | 04/07/85 | 11/22/92 | 486,634 | System of Railway Signaling |
| 522. | 04/27/85 | 05/08/85 | 12/29/85 | 333,289 | Telegraphy |
| 523. | 04/30/85 | 05/08/85 | 12/29/85 | 333,290 | Duplex Telegraphy |
| 524. | 05/06/85 | 05/16/85 | 12/29/85 | 333,291 | Way-Station Quadruplex Telegraphy |
| 525. | 05/14/85 | 05/23/85 | 12/29/91 | 465,971 | Means for Transmitting Signals Electrically |
| 526. | 10/07/85 | 10/23/85 | 02/25/90 | 422,072 | Telegraphy |
| 527. | 10/07/85 | 10/23/85 | 09/30/90 | 437,422 | Telegraphy |
| 528. | 11/12/85 | 11/24/85 | 02/25/90 | 422,073 | Telegraphy |
| 529. | 11/24/85 | 02/19/86 | 02/25/90 | 422,074 | Telegraphy |
| 530. | 11/30/85 | 02/19/86 | 09/02/90 | 435,689 | Telegraphy |
| 531. | 12/22/85 | 02/19/86 | 10/14/90 | 438,306 | Telephone |
| 532. | 12/28/85 | 01/13/86 | 10/05/86 | 350,235 | Railway-Telegraphy |
| 533. | 01/28/86 | 02/19/86 | 07/09/89 | 406,567 | Telephone |
| 534. | 02/17/86 | 02/18/86 | 05/03/92 | 474,232 | Speaking-Telegraph |
| 535. | 05/11/86 | 05/15/86 | 09/20/87 | 370,132 | Telegraphy |
| 536. | 07/15/86 | 07/17/86 | 09/17/89 | 411,018 | Manufacture of Incandescent Electric Lamps |
| 537. | 07/15/86 | 07/17/86 | 10/14/90 | 438,307 | Manufacture of Incandescent Electric Lamps |
| 538. | 07/15/86 | 07/19/86 | 03/24/91 | 448,779 | Telegraph |
| 539. | 07/20/86 | 07/29/86 | 09/17/89 | 411,019 | Manufacture of Incandescent Electric Lamps |
| 540. | 08/06/86 | 08/11/86 | 07/02/89 | 406,130 | Manufacture of Incandescent Electric Lamps |
| 541. | 09/30/86 | 10/05/86 | 11/02/86 | 351,856 | Incandescent Electric Lamp |
| 542. | 10/26/86 | 10/27/86 | 06/16/91 | 454,262 | Incandescent-Lamp Filament |
| 543. | 10/26/86 | 10/27/86 | 01/05/92 | 466,400 | Cut-Out for Incandescent Lamps |
| 544. | 10/26/86 | 10/27/86 | 10/11/92 | 484,184 | Manufacture of Carbon Filaments |
| 545. | 11/02/86 | 11/06/86 | 01/31/93 | 490,954 | Manufacture of Carbon Filaments for Electric Lamps |
| 546. | 11/09/86 | 12/06/86 | 10/14/90 | 438,308 | System of Electrical Distribution |
| 547. | 11/09/86 | 12/06/86 | 08/14/94 | 524,378 | System of Electrical Distribution |
| 548. | 11/22/86 | 11/29/86 | 07/05/87 | 365,978 | System of Electrical Distribution |
| 549. | 11/22/86 | 12/06/86 | 09/06/87 | 369,439 | System of Electrical Distribution |
| 550. | 11/24/86 | 11/29/86 | 06/19/88 | 384,830 | Railway Signaling |
| 551. | 11/26/86 | 12/06/86 | 03/27/88 | 379,944 | Commutator for Dynamo-Electric Machines |
| 552. | 11/26/86 | 12/06/86 | 09/17/89 | 411,020 | Manufacture of Carbon Filaments |
| 553. | 12/06/86 | 12/15/86 | 11/08/92 | 485,615 | Manufacture of Carbon Filaments |
| 554. | 12/06/86 | 12/15/86 | 11/08/92 | 485,616 | Manufacture of Carbon Filaments |
| 555. | 12/06/86 | 12/15/86 | 08/28/94 | 525,007 | Manufacture of Carbon Filaments |
| 556. | 12/10/86 | 12/16/86 | 09/06/87 | 369,441 | System of Electrical Distribution |
| 557. | 12/16/86 | 12/22/86 | 09/06/87 | 369,442 | System of Electrical Distribution |
| 558. | 12/16/86 | 12/27/86 | 09/06/87 | 369,443 | System of Electrical Distribution |
| 559. | 12/20/86 | 12/27/86 | 10/11/92 | 484,185 | Manufacture of Carbon Filaments |
| 560. | 12/20/86 | 12/27/86 | 02/12/95 | 534,207 | Manufacture of Carbon Filaments |
| 561. | 12/21/86 | 12/28/86 | 11/22/87 | 373,584 | Dynamo-Electric Machine |
| 562. | 02/07/87 | 03/08/87 | 02/16/92 | 468,949 | Converter System for Electric Railways |
| 563. | 05/24/87 | 06/13/87 | 03/27/88 | 380,100 | Pyromagnetic Motor |
| 564. | 05/24/87 | 06/13/87 | 06/14/92 | 476,983 | Pyromagnetic Generator |
| 565. | 06/01/87 | 06/04/87 | 06/07/92 | 476,530 | Incandescent Electric Lamp |
| 566. | 06/30/87 | 07/06/87 | 02/07/88 | 377,518 | Magnetic Separator |
| 567. | 08/09/87 | 08/19/87 | 03/15/92 | 470,923 | Railway-Signaling |
| 568. | 08/26/87 | 08/29/87 | 08/27/95 | 545,405 | System of Electrical Distribution |
| 569. | 09/13/87 | 09/23/87 | 03/27/88 | 380,101 | System of Electrical Distribution |
| 570. | 09/14/87 | 09/23/87 | 03/27/88 | 380,102 | System of Electrical Distribution |
| 571. | 09/26/87 | 09/30/87 | 03/15/92 | 470,924 | Electric Conductor |
| 572. | 10/17/87 | 10/21/87 | 07/07/96 | 563,462 | Method of and Apparatus for Drawing Wire |
| 573. | 11/05/87 | 12/09/87 | 06/26/88 | 385,173 | System of Electrical Distribution |
| 574. | 11/09/87 | 11/11/87 | 10/10/93 | 506,215 | Method of Making Plate Glass |
| 575. | 11/22/87 | 11/26/87 | 05/08/88 | 382,414 | Burnishing Attachment for Phonographs |
| 576. | 11/22/87 | 11/26/87 | 07/31/88 | 386,974 | Phonograph |
| 577. | 11/22/87 | 11/26/87 | 06/17/90 | 430,570 | Phonogram-Blank |
| 578. | 11/29/87 | 01/05/88 | 05/08/88 | 382,416 | Feed and Return Mechanism for Phonographs |
| 579. | 12/04/87 | 12/27/87 | 05/08/88 | 382,415 | System of Electrical Distribution |
| 580. | 12/05/87 | 01/05/88 | 05/08/88 | 382,462 | Phonogram-Blank |
| 581. | 01/17/88 | 01/30/88 | 10/18/92 | 484,582 | Duplicating Phonograms |
| 582. | 01/21/88 | 01/30/88 | 08/19/90 | 434,586 | Electric Generator |
| 583. | 01/21/88 | 01/30/88 | 08/19/90 | 434,587 | Thermo-Electric Battery |
| 584. | 01/30/88 | 02/04/88 | 05/08/88 | 382,417 | Process of Making Phonogram-Blanks |
| 585. | 02/02/88 | 02/06/88 | 09/11/88 | 389,369 | Incandescing Electric Lamp |
| 586. | 02/20/88 | 03/02/88 | 05/08/88 | 382,418 | Phonogram-Blank |
| 587. | 02/20/88 | 03/02/88 | 10/02/88 | 390,462 | Process of Making Carbon Filaments |
| 588. | 02/20/88 | 03/02/88 | 12/04/88 | 394,105 | Phonograph-Recorder |
| 589. | 02/20/88 | 03/02/88 | 12/04/88 | 394,106 | Phonograph-Reproducer |
| 590. | 03/03/88 | 03/08/88 | 05/08/88 | 382,419 | Process of Duplicating Phonograms |
| 591. | 03/03/88 | 03/08/88 | 04/15/90 | 425,762 | Cut-Out for Incandescent Electric Lamps |
| 592. | 03/19/88 | 03/29/88 | 01/15/89 | 396,356 | Magnetic Separator |
| 593. | 04/28/88 | 05/07/88 | 11/27/88 | 393,462 | Process of Making Phonogram-Blanks |
| 594. | 04/28/88 | 05/07/88 | 11/27/88 | 393,463 | Machine for Making Phonogram-Blanks |
| 595. | 04/28/88 | 05/07/88 | 11/27/88 | 393,464 | Machine for Making Phonogram-Blanks |
| 596. | 05/07/88 | 05/21/88 | 02/12/95 | 534,208 | Induction-Converter |
| 597. | 05/09/88 | 05/21/88 | 06/14/92 | 476,991 | Method of and Apparatus for Separating Ores |
| 598. | 05/22/88 | 06/07/88 | 04/02/89 | 400,646 | Phonograph Recorder and Reproducer |
| 599. | 05/22/88 | 06/07/88 | 12/20/92 | 488,190 | Phonograph-Reproducer |
| 600. | 05/26/88 | 05/29/88 | 12/20/92 | 488,189 | Phonograph |
| 601. | 06/21/88 | 07/02/88 | 03/15/92 | 470,925 | Manufacture of Filaments for Incandescent Lamps |
| 602. | 06/30/88 | 07/07/88 | 11/27/88 | 393,465 | Method of Preparing Phonograph Recording-Surfaces |
| 603. | 06/30/88 | 07/07/88 | 04/02/89 | 400,647 | Phonograph |
| 604. | 06/30/88 | 07/07/88 | 03/24/91 | 448,780 | Device for Turning Off Phonogram-Blanks |
| 605. | 07/14/88 | 07/17/88 | 11/27/88 | 393,466 | Phonograph-Recorder |
| 606. | 07/14/88 | 07/17/88 | 12/04/88 | 393,966 | Method of Recording and Reproducing Sounds |
| 607. | 07/14/88 | 07/17/88 | 12/04/88 | 393,967 | Method of Recording and Reproducing Sounds |
| 608. | 07/14/88 | 07/17/88 | 09/30/90 | 437,423 | Phonograph |
| 609. | 07/14/88 | 07/17/88 | 04/21/91 | 450,740 | Phonograph-Recorder |
| 610. | 07/14/88 | 07/17/88 | 11/08/92 | 485,617 | Incandescent-Lamp Filament |
| 611. | 07/14/88 | 07/30/88 | 06/17/90 | 430,274 | Phonogram-Blank |
| 612. | 07/16/88 | 07/30/88 | 03/24/91 | 448,781 | Turning-Off Device for Phonographs |
| 613. | 07/27/88 | 07/30/88 | 04/02/89 | 400,648 | Phonogram-Blank |
| 614. | 07/27/88 | 07/30/88 | 06/20/93 | 499,879 | Phonograph |
| 615. | 08/31/88 | 09/15/88 | 02/12/89 | 397,705 | Method of Winding Field-Magnets |
| 616. | 08/31/88 | 09/15/88 | 09/02/90 | 435,690 | Method of Making Armatures for Dynamo-Electric Machines |
| 617. | 09/12/88 | 09/20/88 | 06/17/90 | 430,275 | Magnetic Separator |
| 618. | 09/12/88 | 09/20/88 | 05/10/92 | 474,591 | Process of Extracting Gold from Sulphide Ores |
| 619. | 09/19/88 | 09/27/88 | 02/05/89 | 397,280 | Phonograph Recorder and Reproducer |
| 620. | 09/29/88 | 10/11/88 | 02/12/89 | 397,706 | Phonograph |
| 621. | 09/29/88 | 10/11/88 | 04/02/89 | 400,649 | Method of Making Phonogram-Blanks |
| 622. | 10/15/88 | 10/17/88 | 04/02/89 | 400,650 | Method of Making Phonogram-Blanks |
| 623. | 10/15/88 | 10/17/88 | 07/09/89 | 406,568 | Phonograph |
| 624. | 10/15/88 | 10/17/88 | 09/30/90 | 437,424 | Phonograph |
| 625. | 10/31/88 | 11/05/88 | 12/04/88 | 393,968 | Phonograph-Recorder |
| 626. | 01/10/89 | 01/19/89 | 07/09/89 | 406,569 | Phonogram-Blank |
| 627. | 01/10/89 | 01/19/89 | 12/20/92 | 488,191 | Phonogram-Blank |
| 628. | 01/12/89 | 01/15/89 | 06/17/90 | 430,276 | Phonograph |
| 629. | 02/01/89 | 02/11/89 | 07/09/89 | 406,570 | Phonograph |
| 630. | 02/01/89 | 02/11/89 | 07/09/89 | 406,571 | Process of Treating Phonogram-Blanks |
| 631. | 02/01/89 | 02/11/89 | 07/09/89 | 406,572 | Automatic Determining Device for Phonographs |
| 632. | 02/01/89 | 02/11/89 | 07/09/89 | 406,573 | Automatic Determining Device for Phonographs |
| 633. | 02/01/89 | 02/11/89 | 07/09/89 | 406,574 | Automatic Determining Device for Phonographs |
| 634. | 02/01/89 | 02/11/89 | 07/09/89 | 406,575 | Automatic Determining Device for Phonographs |
| 635. | 02/01/89 | 02/11/89 | 06/17/90 | 430,277 | Automatic Determining Device for Phonographs |
| 636. | 02/01/89 | 02/11/89 | 09/30/90 | 437,425 | Phonograph-Recorder |
| 637. | 02/01/89 | 02/16/89 | 07/09/89 | 406,576 | Phonogram-Blank |
| 638. | 03/22/89 | 03/25/89 | 11/12/89 | 414,759 | Phonogram-Blank |
| 639. | 03/22/89 | 03/25/89 | 11/03/91 | 462,540 | Incandescent Electric Lamp |
| 640. | 03/22/89 | 03/30/89 | 11/12/89 | 414,760 | Phonograph |
| 641. | 04/08/89 | 04/10/89 | 06/17/90 | 430,278 | Phonograph |
| 642. | 04/25/89 | 05/11/89 | 10/14/90 | 438,309 | Method of Insulating Electrical Conductors |
| 643. | 06/15/89 | 07/02/89 | 03/11/90 | 423,039 | Phonograph for Dolls or other Toys |
| 644. | 06/15/89 | 07/02/89 | 04/29/90 | 426,527 | Automatic Determining Device for Phonographs |
| 645. | 06/15/89 | 07/02/89 | 06/17/90 | 430,279 | Voltaic Battery |
| 646. | 06/29/89 | 07/02/89 | 10/10/93 | 506,216 | Apparatus for Making Glass |
| 647. | 07/16/89 | 08/10/89 | 11/12/89 | 414,761 | Phonogram-Blank |
| 648. | 07/20/89 | 07/29/89 | 06/17/90 | 430,280 | Magnetic Separator |
| 649. | 07/20/89 | 08/10/89 | 09/30/90 | 437,426 | Phonograph |
| 650. | 11/14/89 | 11/18/89 | 12/29/91 | 465,972 | Phonograph |
| 651. | 12/11/89 | 12/27/89 | 12/30/90 | 443,507 | Phonograph |
| 652. | 12/11/89 | 12/27/89 | 03/23/94 | 513,095 | Phonograph |
Last Updated: 10/28/2016
- Patent Number: 434,585–610,706
- Dates: July 1890–Dec. 1898
The following list contains the 113 patents for which Edison executed an application between January 1890 and December 1899. It is arranged in chronological order by execution date, which is the date on which Edison signed the application and the date in the patenting process that comes closest to the time of actual inventive activity. The application date is the date on which the Patent Office received and recorded the application; the issue date, the time at which the patent, having passed inspection and any legal challenges, was awarded.
| No. | Executed | Applied | Issued | Patent No. | Title |
|---|---|---|---|---|---|
| 653. | 01/16/90 | 01/20/90 | 08/19/90 | 434,588 | Magnetic Ore-Separator |
| 654. | 02/08/90 | 02/17/90 | 09/30/90 | 437,427 | Method of Making Phonogram-Blanks |
| 655. | 02/08/90 | 02/17/90 | 12/15/91 | 465,250 | Process of Extracting Copper Pyrites |
| 656. | 02/14/90 | 02/20/90 | 08/19/90 | 434,589 | Propelling Mechanism for Electric Vehicles |
| 657. | 04/25/90 | 05/05/90 | 10/14/90 | 438,310 | Lamp-Base |
| 658. | 04/29/90 | 05/05/90 | 09/30/90 | 437,428 | Propelling Device for Electric Cars |
| 659. | 04/29/90 | 05/09/90 | 09/30/90 | 437,429 | Phonogram-Blank |
| 660. | 05/06/90 | 05/24/90 | 06/30/91 | 454,941 | Phonograph Recorder or Reproducer |
| 661. | 05/17/90 | 05/24/90 | 09/09/90 | 436,127 | Electric Motor |
| 662. | 05/24/90 | 05/27/90 | 10/18/92 | 484,583 | Phonograph Cutting-Tool |
| 663. | 05/24/90 | 05/27/90 | 10/18/92 | 484,584 | Phonograph-Reproducer |
| 664. | 06/02/90 | 06/10/90 | 09/23/90 | 436,970 | Apparatus for Transmitting Power |
| 665. | 07/05/90 | 07/30/90 | 06/09/91 | 453,741 | Phonograph |
| 666. | 07/05/90 | 07/30/90 | 06/30/91 | 454,942 | Phonograph |
| 667. | 07/05/90 | 07/30/90 | 07/21/91 | 456,301 | Phonograph-Doll |
| 668. | 07/05/90 | 07/30/90 | 10/18/92 | 484,585 | Phonograph |
| 669. | 08/04/90 | 08/12/90 | 07/21/91 | 456,302 | Phonograph |
| 670. | 08/09/90 | 08/28/90 | 06/14/92 | 476,984 | Expansible Pulley |
| 671. | 08/09/90 | 08/28/90 | 03/21/93 | 493,858 | Transmission of Power |
| 672. | 09/06/90 | 09/10/90 | 08/11/91 | 457,343 | Magnetic Belting |
| 673. | 09/12/90 | 09/15/90 | 01/13/91 | 444,530 | Leading-In Wire for Incandescent Lamps |
| 674. | 09/13/90 | 09/17/90 | 02/12/95 | 534,209 | Incandescent Electric Lamp |
| 675. | 10/27/90 | 11/21/90 | 06/14/92 | 476,985 | Trolley for Electric Railways |
| 676. | 10/27/90 | 11/21/90 | 06/27/93 | 500,280 | Phonograph |
| 677. | 10/27/90 | 11/21/90 | 07/02/95 | 541,923 | Phonograph |
| 678. | 11/17/90 | 11/21/90 | 08/11/91 | 457,344 | Smoothing-Tool for Phonogram-Blanks |
| 679. | 11/17/90 | 11/21/90 | 09/29/91 | 460,123 | Phonogram-Blank Carrier |
| 680. | 11/17/90 | 11/21/90 | 06/27/93 | 500,281 | Phonograph |
| 681. | 11/17/90 | 12/03/90 | 07/02/95 | 541,924 | Phonograph |
| 682. | 12/01/90 | 12/03/90 | 06/27/93 | 500,282 | Phonograph |
| 683. | 12/01/90 | 12/03/90 | 01/12/97 | 575,151 | Phonograph |
| 684. | 12/01/90 | 12/03/90 | 06/14/98 | 605,667 | Phonograph |
| 685. | 12/01/90 | 12/03/90 | 09/13/98 | 610,706 | Phonograph |
| 686. | 12/01/90 | 12/03/90 | 04/11/99 | 622,843 | Phonograph |
| 687. | 12/06/90 | 12/15/90 | 08/16/98 | 609,268 | Phonograph |
| 688. | 12/20/90 | 01/19/91 | 03/14/93 | 493,425 | Electric Locomotive |
| 689. | 01/20/91 | 01/24/91 | 06/14/92 | 476,992 | Incandescent Electric Lamp |
| 690. | 02/04/91 | 02/09/91 | 04/25/93 | 496,191 | Phonograph |
| 691. | 02/04/91 | 02/24/91 | 03/15/92 | 470,926 | Dynamo-Electric Machine or Motor |
| 692. | 02/24/91 | 03/02/91 | 06/14/92 | 476,986 | Means for Propelling Electric Cars |
| 693. | 02/24/91 | 03/02/91 | 06/14/92 | 476,987 | Electric Locomotive |
| 694. | 03/04/91 | 03/23/91 | 12/29/91 | 465,973 | Armature for Dynamos or Motors |
| 695. | 03/04/91 | 03/26/91 | 03/15/92 | 470,927 | Driving Mechanism for Cars |
| 696. | 03/20/91 | 03/26/91 | 12/29/91 | 465,970 | Armature Connection for Motors or Generators |
| 697. | 03/20/91 | 04/04/91 | 02/16/92 | 468,950 | Commutator-Brush for Electric Motors and Dynamos |
| 698. | 06/03/91 | 06/09/91 | 05/24/92 | 475,491 | Electric Locomotive |
| 699. | 06/03/91 | 06/09/91 | 05/24/92 | 475,492 | Electric Locomotive |
| 700. | 06/03/91 | 06/09/91 | 05/24/92 | 475,493 | Electric Locomotive |
| 701. | 06/03/91 | 06/09/91 | 05/24/92 | 475,494 | Electric Railway |
| 702. | 07/31/91 | 08/14/91 | 06/14/92 | 476,988 | Lightning-Arrester |
| 703. | 07/31/91 | 08/14/91 | 06/14/92 | 476,989 | Conductor for Electric Railways |
| 704. | 07/31/91 | 08/14/91 | 11/28/93 | 509,518 | Electric Railway |
| 705. | 07/31/91 | 08/24/91 | 12/15/91 | 465,251 | Method of Bricking Fine Ores |
| 706. | 07/31/91 | 08/24/91 | 11/08/92 | 485,840 | Method of Bricking Fine Iron Ores |
| 707. | 07/31/91 | 08/24/91 | 03/14/93 | 493,426 | Apparatus for Exhibiting Photographs of Moving Objects |
| 708. | 07/31/91 | 08/24/91 | 08/31/97 | 589,168 | Kinetographic Camera |
| 709. | 07/31/91 | 08/25/91 | 03/15/92 | 470,928 | Alternating-Current Generator |
| 710. | 07/31/91 | 08/25/91 | 06/14/92 | 476,990 | Electric Meter |
| 711. | 07/31/91 | 09/02/91 | 10/11/92 | 484,183 | Electrical Depositing-Meter |
| 712. | 07/31/91 | 10/01/91 | 06/14/92 | 476,993 | Electric-Arc Lamp |
| 713. | 08/28/91 | 10/01/91 | 03/15/92 | 470,929 | Magnetic Separator |
| 714. | 08/28/91 | 10/01/91 | 03/22/92 | 471,268 | Ore-Conveyer and Method of Arranging Ore Thereon |
| 715. | 08/28/91 | 10/01/91 | 04/05/92 | 472,288 | Dust-Proof Bearing for Shafts |
| 716. | 08/28/91 | 10/01/91 | 04/12/92 | 472,752 | Dust-Proof Journal-Bearing |
| 717. | 08/28/91 | 10/01/91 | 04/12/92 | 472,753 | Ore-Screening Apparatus |
| 718. | 08/28/91 | 10/01/91 | 05/10/92 | 474,592 | Ore-Conveying Apparatus |
| 719. | 08/28/91 | 10/01/91 | 05/30/93 | 498,385 | Roller for Crushing Ore or Other Material |
| 720. | 08/28/91 | 10/08/91 | 05/10/92 | 474,593 | Dust-Proof Swivel Shaft-Bearing |
| 721. | 10/08/91 | 10/10/91 | 03/15/92 | 470,930 | Dynamo-Electric Machine |
| 722. | 10/08/91 | 10/15/91 | 06/07/92 | 476,532 | Ore-Screening Apparatus |
| 723. | 11/10/91 | 11/12/91 | 02/21/93 | 491,992 | Cut-Out for Incandescent Electric Lamps |
| 724. | 04/05/92 | 04/11/92 | 02/21/93 | 491,993 | Stop Device |
| 725. | 06/27/92 | 07/02/92 | 07/21/96 | 564,423 | Process of Separating Ores |
| 726. | 07/09/92 | 07/20/92 | 11/08/92 | 485,841 | Method of Magnetically Separating Ores |
| 727. | 07/09/92 | 07/20/92 | 11/08/92 | 485,842 | Method of Magnetic-Ore Separation |
| 728. | 08/24/92 | 08/29/92 | 01/23/94 | 513,096 | Method of and Apparatus for Mixing Materials |
| 729. | 03/15/93 | 03/17/93 | 11/28/93 | 509,428 | Composition Brick and Method of Making Same |
| 730. | 05/22/93 | 05/24/93 | 01/23/94 | 513,097 | Phonograph |
| 731. | 12/13/93 | 12/19/93 | 09/08/96 | 567,187 | Crushing-Roll |
| 732. | 12/13/93 | 12/19/93 | 04/12/98 | 602,064 | Conveyer |
| 733. | 05/16/96 | 05/19/96 | 09/10/07 | 865,367 | Fluorescent Electric Lamp |
| 734. | 01/25/97 | 01/27/97 | 05/31/98 | 604,740 | Governor for Motors |
| 735. | 01/25/97 | 01/27/97 | 07/19/98 | 607,588 | Phonograph |
| 736. | 05/14/97 | 06/12/97 | 05/28/01 | 675,056 | Magnetic Separator |
| 737. | 05/14/97 | 07/16/97 | 11/21/99 | 637,327 | Rolls |
| 738. | 05/14/97 | 07/16/97 | 04/23/01 | 672,616 | Method of Breaking Rock |
| 739. | 05/14/97 | 07/16/97 | 06/18/01 | 676,618 | Magnetic Separator |
| 740. | 06/10/97 | 06/29/97 | 06/14/98 | 605,475 | Drying Apparatus |
| 741. | 06/10/97 | 06/29/97 | 06/14/98 | 605,668 | Mixer |
| 742. | 06/10/97 | 06/29/97 | 02/05/01 | 667,201 | Flight Conveyer |
| 743. | 06/10/97 | 06/29/97 | 04/02/01 | 671,314 | Lubricating Journal-Bearings |
| 744. | 06/10/97 | 06/29/97 | 04/02/01 | 671,315 | Conveyer |
| 745. | 06/10/97 | 06/29/97 | 05/28/01 | 675,057 | Apparatus for Screening Pulverized Material |
| 746. | 02/21/98 | 03/05/98 | 11/11/02 | 713,209 | Process of Duplicating Phonograms |
| 747. | 03/21/98 | 03/24/98 | 07/01/02 | 703,774 | Reproducer for Phonographs |
| 748. | 03/29/98 | 03/31/98 | 06/06/99 | 626,460 | Filament for Incandescent Lamps and Process of Manufacturing Same |
| 749. | 04/11/98 | 05/23/98 | 05/08/00 | 648,933 | Drier |
| 750. | 04/11/98 | 05/23/98 | 11/06/00 | 661,238 | Machine for Forming Pulverized Material into Briquets |
| 751. | 04/11/98 | 05/23/98 | 05/14/01 | 674,057 | Grinding or Crushing Rolls |
| 752. | 04/11/98 | 05/23/98 | 07/01/02 | 703,562 | Apparatus for Bricking Pulverized Material |
| 753. | 04/11/98 | 05/23/98 | 07/08/02 | 704,010 | Apparatus for Concentrating Magnetic Iron Ores |
| 754. | 09/19/98 | 09/24/98 | 10/09/00 | 659,389 | Electric Meter |
| 755. | 02/06/99 | 03/17/99 | 05/08/00 | 648,934 | Process of Screening or Sizing Very Fine Materials |
| 756. | 02/06/99 | 03/17/99 | 12/14/00 | 663,015 | Electric Meter |
| 757. | 02/10/99 | 03/17/99 | 12/10/01 | 688,610 | Phonograph Recording Apparatus |
| 758. | 02/24/99 | 02/27/99 | 02/20/00 | 643,764 | Method of Reheating Compressed Air for Industrial Purposes |
| 759. | 03/23/99 | 09/16/99 | 10/23/00 | 660,293 | Electric Meter |
| 760. | 04/10/99 | 04/24/99 | 01/16/00 | 641,281 | Expanding Pulley |
| 761. | 06/15/99 | 07/01/99 | 05/05/03 | 727,116 | Grinding-Rolls |
| 762. | 09/12/99 | 09/21/99 | 06/26/00 | 652,457 | Phonograph |
| 763. | 10/27/99 | 10/28/99 | 05/08/00 | 648,935 | Apparatus for Duplicating Phonograph-Records |
| 764. | 11/24/99 | 12/06/99 | 11/05/01 | 685,911 | Apparatus for Reheating Compressed Air for Industrial Purposes |
| 765. | 12/09/99 | 12/12/99 | 09/18/00 | 657,922 | Apparatus for Reheating Compressed Air for Industrial Purposes |
Last Updated: 10/28/2016














