Edison's Patents - The Edison Papers

Edison's U.S. Patents, 1880–1882

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.

1868-1879

1880-1882

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