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Edison's U.S. Patents, 991,433-1,908,830
This list contains the patents Edison received after January 1911. It is arranged in chronological order by issue date, the time at which the patent, having passed inspection and any legal challenges, was awarded. The execution date 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 number in the first column indicates the order of the patents' execution.
| 90,646-242,901 | 248,416-288,318 | 293,432-431,018 | 434,585-610,706 | 622,843-976,792 | 991,433-1,908,830 |
| 1868-June 1881 | July 1881-Dec. 1883 | Jan. 1884-June 1890 | July 1890-Dec. 1898 | 1899-1910 | 1911-1931 |
| No. | Executed | Applied | Issued | PatentNo. | Title |
|---|---|---|---|---|---|
| 916. | 06/11/07 | 06/14/07 | 05/02/11 | 991,433 | Bucket Conveyer |
| 935. | 06/08/08 | 06/11/08 | 05/23/11 | 993,294 | Device for Feeding Pulverulent Material |
| 940. | 10/10/08 | 10/14/08 | 06/27/11 | 996,070 | Rotary Kiln |
| 926. | 03/13/08 | 03/18/08 | 07/04/11 | 996,625 | Phonograph-Reproducer |
| 927. | 03/13/08 | 03/20/08 | 08/08/11 | 999,762 | Storage Battery and Process of Treating the Same |
| 946. | 01/27/09 | 02/06/09 | 09/05/11 | 1,002,504 | Crushing and Separating Fine Materials |
| 978. | 01/25/11 | 01/27/11 | 09/05/11 | 1,002,505 | Composition for Sound-Records and Other Objects |
| 875. | 09/14/05 | 09/15/05 | 12/19/11 | 1,012,250 | Recording-Telephone |
| 964. | 05/19/10 | 05/24/10 | 12/26/11 | 1,012,828 | Storage Battery |
| 931. | 03/13/08 | 03/23/08 | 01/09/12 | 1,013,869 | Bearing |
| 819. | 12/18/02 | 01/13/03 | 01/16/12 | 1,014,818 | Giant Rolls |
| 993. | 06/16/11 | 06/21/11 | 02/06/12 | 1,016,874 | Means and Method for Preventing Depletion of Electrolyte |
| 995. | 07/24/11 | 07/28/11 | 02/06/12 | 1,016,875 | Electroplating Apparatus |
| 936. | 06/08/08 | 06/11/08 | 03/05/12 | 1,019,440 | Phonograph-Reproducer |
| 960. | 04/14/10 | 04/20/10 | 03/05/12 | 1,019,441 | Sound-Recording Apparatus |
| 944. | 12/21/08 | 12/29/08 | 03/19/12 | 1,020,485 | Phonograph-Reproducer |
| 901. | 12/28/06 | 01/03/07 | 04/30/12 | 1,024,839 | Phonographic Recording-Stylus |
| 979. | 01/25/11 | 01/27/11 | 07/30/12 | 1,034,002 | Storage Battery |
| 980. | 01/25/11 | 01/27/11 | 07/30/12 | 1,034,003 | Battery-Cell Container |
| 956. | 11/01/09 | 11/03/09 | 08/20/12 | 1,036,470 | Phonographic Apparatus |
| 966. | 05/31/10 | 06/06/10 | 08/20/12 | 1,036,471 | Storage Battery |
| 1012. | 07/11/12 | 07/13/12 | 08/27/12 | 42,934 | Design for a Cabinet |
| 919. | 11/19/07 | 11/22/07 | 10/22/12 | 1,041,756 | Conveyer |
| 961. | 05/02/10 | 05/12/10 | 10/22/12 | 1,041,983 | Phonograph-Stylus |
| 937. | 06/08/08 | 06/11/08 | 12/03/12 | 1,046,159 | Phonograph-Reproducer |
| 965. | 05/31/10 | 06/02/10 | 12/03/12 | 1,046,414 | Phonograph Determining Device |
| 950. | 08/07/09 | 08/12/09 | 01/14/13 | 1,050,355 | Phonograph |
| 970. | 06/30/10 | 07/01/10 | 01/14/13 | 1,050,436 | Apparatus for Producing Rubber Strips |
| 989. | 05/01/11 | 05/09/11 | 01/14/13 | 1,050,629 | Art of Separating Copper from Other Metals |
| 990. | 05/12/11 | 05/18/11 | 01/14/13 | 1,050,630 | Art of Separating Copper from Other Metals |
| 952. | 10/26/09 | 10/28/09 | 02/11/13 | 1,052,656 | Phonograph-Reproducer |
| 996. | 11/28/11 | 12/01/11 | 03/11/13 | 1,055,524 | Dumping Mechanism |
| 991. | 05/16/11 | 05/18/11 | 03/11/13 | 1,055,621 | Reproducer |
| 957. | 12/04/09 | 12/08/09 | 03/18/13 | 1,056,517 | Means for Reproducing Sound |
| 889. | 05/07/06 | 05/08/06 | 04/22/13 | 1,059,661 | Manufacture of Portland Cement |
| 887. | 01/24/06 | 01/27/06 | 06/24/13 | 1,065,597 | Cement-Burning Kiln |
| 1000. | 12/30/11 | 01/11/12 | 09/16/13 | 1,073,107 | Storage Battery |
| 910. | 02/25/07 | 03/16/07 | 11/11/13 | 1,078,264 | Phonographic Recording or Reproducing Apparatus |
| 941. | 10/10/08 | 10/14/08 | 11/11/13 | 1,078,265 | Process of Making Phonograph-Records |
| 984. | 04/03/11 | 04/05/11 | 11/11/13 | 1,078,266 | Sound-Box |
| 971. | 06/30/10 | 07/01/10 | 01/06/14 | 1,083,353 | Production of Perforated Strips |
| 981. | 01/25/11 | 01/27/11 | 01/06/14 | 1,083,354 | Insulating Compound |
| 986. | 04/07/11 | 04/08/11 | 01/06/14 | 1,083,355 | Art of Forming Chemical Compounds |
| 987. | 04/07/11 | 04/08/11 | 01/06/14 | 1,083,356 | Storage Battery |
| 973. | 10/04/10 | 10/07/10 | 06/09/14 | 1,099,241 | Rectifier |
| 953. | 10/26/09 | 10/28/09 | 06/09/14 | 1,099,346 | Phonograph-Reproducer |
| 954. | 10/26/09 | 10/28/09 | 06/09/14 | 1,099,347 | Phonograph-Reproducer |
| 955. | 10/28/09 | 10/29/09 | 06/09/14 | 1,099,348 | Phonograph-Reproducer |
| 1001. | 01/02/12 | 01/06/12 | 06/09/14 | 1,099,349 | Method of Making Sound-Record Molds |
| 920. | 11/25/07 | 11/29/07 | 09/11/14 | 1,106,444 | Fuel-Feeding Apparatus |
| 977. | 12/07/10 | 12/09/10 | 09/15/14 | 1,110,382 | Sound-Modifier |
| 959. | 03/19/10 | 03/23/10 | 09/15/14 | 1,110,428 | Process of Forming Phonograph-Styli |
| 1003. | 01/19/12 | 01/20/12 | 09/29/14 | 1,111,999 | Phonograph-Record |
| 969. | 06/13/10 | 06/17/10 | 10/27/14 | 1,115,463 | Electrode Element |
| 992. | 06/08/11 | 06/10/11 | 11/24/14 | 1,118,114 | Method of Making Molds for Sound-Records |
| 975. | 11/09/10 | 11/14/10 | 12/01/14 | 1,119,141 | Sound-Reproducer |
| 985. | 04/03/11 | 04/05/11 | 12/01/14 | 1,119,142 | Sound-Record |
| 945. | 12/22/08 | 12/29/08 | 01/05/15 | 1,123,261 | Mold for Concrete Construction |
| 968. | 06/07/10 | 06/09/10 | 01/26/15 | 1,126,428 | Sound-Recording Apparatus |
| 994. | 06/20/11 | 06/22/11 | 03/02/15 | 1,130,156 | Machine for Shaving Sound Records or Blanks |
| 1022. | 06/13/13 | 06/16/13 | 05/04/15 | 1,138,360 | Method of Presenting the Illusion of Scenes in Colors |
| 974. | 10/17/10 | 10/20/10 | 06/08/15 | 1,142,507 | Sound-Recording Apparatus |
| 1002. | 01/12/12 | 01/17/12 | 06/22/15 | 1,143,818 | Charging Storage Batteries |
| 998. | 12/19/11 | 12/20/11 | 07/13/15 | 1,146,413 | Method of Producing Tablets for Sound-Records |
| 1026. | 08/26/14 | 08/27/14 | 07/13/15 | 1,146,414 | Method of Making Phonograph-Records |
| 943. | 11/21/08 | 11/25/08 | 08/03/15 | 1,148,832 | Means for Utilizing the Waste Heat in Kilns |
| 876. | 09/28/05 | 09/29/05 | 09/07/15 | 1,152,613 | Method of Burning Portland-Cement Clinker |
| 958. | 01/26/10 | 01/27/10 | 09/07/15 | 1,152,614 | Phonographic Recording Apparatus |
| 1009. | 06/10/12 | 06/13/12 | 09/07/15 | 1,152,615 | Alternating-Current-Rectifying System |
| 1010. | 06/10/12 | 06/13/12 | 09/07/15 | 1,152,616 | Contact for Electrical Apparatus |
| 948. | 03/02/09 | 03/03/09 | 11/02/15 | 1,158,659 | Phonograph-Record |
| 949. | 03/02/09 | 03/03/09 | 11/02/15 | 1,158,660 | Phonograph-Record |
| 1015. | 09/12/12 | 09/16/12 | 11/02/15 | 1,158,661 | Phonograph or Talking-Machine |
| 914. | 05/28/07 | 05/31/07 | 12/07/15 | 1,163,329 | Filament for Incandescent Electric Lamps |
| 988. | 04/07/11 | 04/08/11 | 01/11/16 | 1,167,484 | Production of Nickel Hydroxid |
| 1005. | 04/23/12 | 04/30/12 | 01/11/16 | 1,167,485 | Storage Battery |
| 972. | 07/02/10 | 07/07/10 | 01/11/16 | 1,167,637 | Method of Utilizing Waste Heat in Kilns |
| 1007. | 05/21/12 | 05/23/12 | 01/11/16 | 1,167,638 | Means for Concentrating Ores |
| 967. | 05/31/10 | 06/06/10 | 04/04/16 | 1,178,062 | Moving-Picture Apparatus |
| 1008. | 05/31/12 | 06/07/12 | 04/04/16 | 1,178,063 | Receptacle-Filling Machine |
| 924. | 02/04/08 | 02/08/08 | 05/16/16 | 1,182,897 | Apparatus for Recording and Reproducing Motion and Sounds |
| 976. | 12/05/10 | 12/07/10 | 05/23/16 | 1,184,332 | Phonograph or Talking-Machine |
| 982. | 02/15/11 | 02/17/11 | 05/23/16 | 1,184,333 | Phonograph or Talking-Machine |
| 1014. | 08/09/12 | 08/12/12 | 05/23/16 | 1,184,334 | Phonograph or Talking-Machine |
| 1004. | 02/15/12 | 02/16/12 | 07/04/16 | 1,190,133 | Means for Recording Sounds |
| 1006. | 05/20/12 | 05/23/12 | 07/25/16 | 1,192,400 | Electrical System for Automobiles |
| 1017. | 10/25/12 | 10/26/12 | 09/12/16 | 1,197,723 | Coating Apparatus |
| 1027. | 08/27/14 | 08/31/14 | 09/19/16 | 1,198,426 | Production of Electrode Elements |
| 1018. | 10/25/12 | 10/26/12 | 10/17/16 | 1,201,448 | Coating Apparatus |
| 1024. | 04/21/14 | 04/25/14 | 10/17/16 | 1,201,449 | Sound-Modifying Device |
| 983. | 03/22/11 | 03/24/11 | 11/14/16 | 1,204,420 | Sound-Box |
| 962. | 05/13/10 | 05/24/10 | 12/05/16 | 1,207,382 | Primary Battery |
| 1020. | 01/29/13 | 01/30/13 | 12/05/16 | 1,207,383 | Sound-Record Tablet |
| 938. | 08/10/08 | 08/13/08 | 03/13/17 | 1,219,272 | Process of Constructing Concrete Buildings |
| 997. | 12/12/11 | 12/30/11 | 04/10/17 | 1,221,981 | Alternating-Current Rectifier |
| 1016. | 09/12/12 | 09/16/12 | 07/24/17 | 1,234,450 | Celluloid Record-Blank |
| 1019. | 10/25/12 | 10/26/12 | 07/24/17 | 1,234,451 | Mold or Transfer Plate |
| 1040. | 06/01/17 | 06/07/17 | 12/04/17 | 1,248,468 | Celluloid Record-Blank |
| 1013. | 07/27/12 | 07/31/12 | 02/05/18 | 1,255,517 | Starting and Current-Supplying System for Automobiles |
| 1011. | 06/19/12 | 06/24/12 | 05/21/18 | 1,266,778 | Process of Making Screens for Projection |
| 1029. | 10/13/14 | 10/16/14 | 05/21/18 | 1,266,779 | Electric Safety-Lantern |
| 1039. | 01/16/17 | 01/20/17 | 05/21/18 | 1,266,780 | Storage Battery |
| 999. | 12/20/11 | 12/22/11 | 08/13/18 | 1,275,232 | Production of Finely-Divided Metals |
| 1037. | 09/21/16 | 10/02/16 | 11/05/18 | 1,283,706 | Para-phenylene-di-amin Substance and Process Relating Thereto |
| 1021. | 02/28/13 | 03/06/13 | 12/03/18 | 1,286,259 | Means for Recording Sounds |
| 1023. | 11/21/13 | 12/02/13 | 01/07/19 | 1,290,138 | Friction Speed-Governor |
| 1041. | 06/26/17 | 06/29/17 | 01/21/19 | 1,292,277 | Swaging-Machine |
| 1032. | 01/11/16 | 01/24/16 | 03/11/19 | 1,297,294 | Projectile |
| 1025. | 08/06/14 | 08/10/14 | 04/08/19 | 1,299,693 | Storage Battery |
| 1035. | 02/05/16 | 02/12/16 | 04/15/19 | 1,300,708 | Projectile |
| 1034. | 02/04/16 | 02/12/16 | 04/15/19 | 1,300,709 | Projectile |
| 1036. | 03/04/16 | 03/06/16 | 08/05/19 | 1,311,955 | Tube Filling and Tamping Machine |
| 1033. | 01/12/16 | 01/17/16 | 11/25/19 | 1,323,218 | Method and Means for Improving the Rendition of Musical Compositions |
| 1028. | 10/09/14 | 10/13/14 | 12/30/19 | 1,326,330 | Mold for Sound-Records |
| 1038. | 01/16/17 | 01/18/17 | 12/30/19 | 1,326,854 | Apparatus for the Production of Concrete Structures |
| 1030. | 08/21/15 | 08/26/15 | 06/01/20 | 1,342,326 | Composition of Matter for Sound-Records or the Like and Process of Making the Same |
| 1047. | 06/18/19 | 06/21/19 | 11/23/20 | 1,359,972 | Electroplating |
| 1031. | 12/08/15 | 12/13/15 | 01/04/21 | 1,364,358 | Battery-Tray |
| 1053. | 09/24/19 | 09/29/19 | 01/04/21 | 1,364,359 | Protecting-Varnish for Electrodes of Electrolytic Cells |
| 1048. | 06/24/19 | 07/03/19 | 02/22/21 | 1,369,271 | Cleaning of Metallic Surfaces |
| 1050. | 08/01/19 | 08/05/19 | 02/22/21 | 1,369,272 | Process of Molding |
| 1046. | 06/12/19 | 06/17/19 | 03/15/21 | 1,371,414 | Nickel-Plating |
| 1043. | 01/14/19 | 01/18/19 | 05/10/21 | 1,377,192 | Production of Molded Articles |
| 1044. | 01/15/19 | 01/23/19 | 05/10/21 | 1,377,193 | Production of Molded Articles |
| 1059. | 06/14/20 | 06/16/20 | 05/10/21 | 1,377,194 | Storage Battery |
| 1052. | 09/13/19 | 09/16/19 | 05/24/21 | 1,379,088 | Storage Battery |
| 1054. | 09/30/19 | 10/04/19 | 05/24/21 | 1,379,089 | Production of Thin Metallic Sheets or Foils |
| 1055. | 11/03/19 | 11/06/19 | 08/02/21 | 1,386,095 | Electrode Element for Galvanic Batteries and Method of Producing ame |
| 1051. | 08/28/19 | 09/05/19 | 01/10/22 | 1,402,751 | Storage-Battery Electrode and the Production of Same |
| 1056. | 11/28/19 | 12/02/19 | 03/21/22 | 1,410,391 | Protective Coating for Steel and Iron |
| 1045. | 04/24/19 | 04/30/19 | 04/04/22 | 1,411,425 | Production of Molded Articles |
| 1049. | 06/25/19 | 07/03/19 | 05/23/22 | 1,417,463 | Mold |
| 1060. | 07/08/20 | 07/16/20 | 05/23/22 | 1,417,464 | Production of Thin Metal Sheets or Foils |
| 1042. | 10/23/18 | 10/26/18 | 08/08/22 | 1,425,183 | Transmitter |
| 1061. | 08/23/20 | 08/26/20 | 08/08/22 | 1,425,184 | Production of Thin Metal Sheets or Foils |
| 1057. | 12/09/19 | 12/11/19 | 08/08/22 | 1,425,458 | Stylus Mounting |
| 1058. | 12/09/19 | 12/11/19 | 05/29/23 | 1,456,687 | Stylus Mounting |
| 1063. | 09/26/21 | 09/28/21 | 04/01/24 | 1,488,480 | Regeneration of Alkaline Storage-Battery Elements |
| 1065. | 04/25/22 | 04/26/22 | 04/01/24 | 1,488,481 | Regeneration of Storage-Battery Elements |
| 1062. | 12/31/20 | 01/05/21 | 04/08/24 | 1,489,240 | Voltaic Battery and the Production of Electrode Elements Therefor |
| 1064. | 02/08/22 | 02/11/22 | 04/29/24 | 1,492,023 | Sound Record |
| 1067. | 02/05/23 | 02/08/23 | 05/27/24 | 1,495,580 | Method of Producing Chlorinated Rubber |
| 1075. | 10/15/24 | 10/17/24 | 12/16/24 | 66,227 | Design for a Grille for Phonograph Cabinets |
| 1076. | 10/15/24 | 10/17/24 | 12/16/24 | 66,228 | Design for a Grille for Phonograph Cabinets |
| 1074. | 02/25/24 | 03/12/24 | 02/17/25 | 1,526,326 | Storage Battery |
| 1069. | 05/23/23 | 05/25/23 | 07/21/25 | 1,546,573 | Production of Disk Phonograph Records |
| 1070. | 05/23/23 | 05/25/23 | 11/03/25 | 1,559,562 | Storage Battery |
| 1077. | 10/15/24 | 10/17/24 | 12/22/25 | 69,068 | Design for a Phonograph Cabinet |
| 1078. | 10/15/24 | 10/17/24 | 03/16/26 | 69,688 | Design for a Phonograph Cabinet |
| 1079. | 10/15/24 | 10/17/24 | 03/16/26 | 69,689 | Design for a Phonograph Cabinet |
| 1072. | 11/12/23 | 11/14/23 | 05/11/26 | 1,583,783 | Centrifugal Speed Governor |
| 1073. | 02/20/24 | 02/26/24 | 09/07/26 | 1,599,121 | Production of Depolarizing Agent for Voltaic Battery |
| 1071. | 06/28/23 | 07/06/23 | 09/21/26 | 1,600,722 | Mounting for Diamonds and the Like |
| 1080. | 01/29/25 | 01/31/25 | 10/11/27 | 1,644,670 | Cabinet |
| 1083. | 07/17/25 | 07/24/25 | 11/15/27 | 1,649,579 | Storage-Battery Electrode Element and Production Thereof |
| 1068. | 05/11/23 | 05/14/23 | 11/29/27 | 1,651,196 | Storage Battery |
| 1066. | 06/23/22 | 06/28/22 | 07/24/28 | 1,678,246 | Production of Alkali-Metal Compounds from Silicates Containing Them |
| 1088. | 10/01/26 | 10/05/26 | 11/06/28 | 1,690,159 | Method of Producing Sound-Record Tablets |
| 1081. | 02/02/25 | 02/13/25 | 02/19/29 | 1,702,935 | Receiving Apparatus for Radio and Telephone Circuits |
| 1086. | 02/01/26 | 02/13/26 | 04/09/29 | 1,708,692 | Phonograph |
| 1085. | 02/01/26 | 02/10/26 | 04/30/29 | 1,711,265 | Phonograph Reproducer |
| 1089. | 10/11/27 | 10/12/27 | 08/06/29 | 1,723,609 | Apparatus for Producing Storage-Battery Electrode Elements |
| 1090. | 11/25/27 | 11/30/27 | 12/17/29 | 1,740,079 | Extraction of Rubber from Plants |
| 1082. | 04/28/25 | 04/30/25 | 01/21/30 | 1,744,533 | Mounting for Diaphragms of Sound Boxes |
| 1084. | 01/25/26 | 01/29/26 | 01/21/30 | 1,744,534 | Production of Molded Articles |
| 1092. | 12/13/28 | 12/15/28 | 11/03/31 | 1,829,856 | Dynamo-Electric Machine |
| 1087. | 08/13/26 | 08/14/26 | 12/15/31 | 1,836,066 | Electroplating Apparatus |
| 1091. | 10/04/28 | 10/06/28 | 06/14/32 | 1,862,740 | Production of Molded Articles |
| 1093. | 01/06/31 | 01/09/31 | 05/16/33 | 1,908,830 | Holder for Article to be Electroplated |
| 90,646-242,901 1868-June 1881 | 248,416-288,318 July 1881-Dec. 1883 | 293,432-431,018 Jan. 1884-June 1890 | 434,585-610,706 July 1890-Dec. 1898 | 622,843-976,792 1899-1910 | 991,433-1,908,830 1911-1931 |
