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 1883-1889 1890-1899 1900-1909 1910-1931

No. ExecutedApplied IssuedPatent No.Title
171.01/28/8002/05/8007/20/80230,255Method of Manufacturing Electric Lamps
172.01/28/8002/05/8010/03/82265,311Electric Lamp and Holder for the Same
173.01/28/8002/05/8008/30/87369,280System of Electrical Distribution
174.01/28/8003/29/8010/18/81248,425Apparatus for Producing High Vacuums
175.03/10/8003/20/8006/08/80228,617Brake for Electro-Magnetic Motors
176.03/10/8003/20/8012/27/81251,545Electric Meter
177.03/10/8003/20/8009/11/94525,888Manufacture of Carbons for Electric Lamps
178.03/10/8003/25/8005/04/80227,226Safety-Conductor for Electric Lights
179.03/11/8003/20/8009/19/82264,649Dynamo or Magneto Electric Machine
180.04/03/8004/07/8006/01/80228,329Magnetic Ore-Separator
181.04/25/8005/24/8003/15/81238,868Manufacture of Carbons for Incandescent Electric Lamps
182.06/15/8006/30/8002/15/81237,732Electric Light
183.06/15/8006/30/8010/18/81248,417Manufacturing Carbons for Electric Lights
184.06/15/8007/03/8005/13/84298,679Method of Treating Carbons for Electric Lights
185.07/02/8007/22/8010/18/81248,430Electro-Magnetic Brake
186.07/03/8007/22/8010/10/82265,778Electro-Magnetic Railway-Engine
187.07/26/8008/06/8010/18/81248,432Magnetic Separator
188.07/27/8008/06/8003/22/81239,150Electric Lamp
189.07/28/8008/06/8012/27/81251,540Carbon for Electric Lamps
190.07/28/8008/06/8008/22/82263,139Manufacture of Carbons for Electric Lamps
191.07/28/8008/09/8003/29/81239,372Testing Electric-Light Carbons
192.07/29/8008/09/8008/19/90434,585Telegraph-Relay
193.07/30/8008/09/8008/22/82263,140Dynamo-Electric Machine
194.07/30/8008/11/8010/18/81248,423Carbonizer
195.07/31/8008/09/8003/22/81239,147System of Electric Lighting
196.07/31/8008/09/8010/18/81248,434Governor for Electric Engines
197.08/04/8008/09/8009/19/82264,642Electric Distribution and Translation System
198.08/06/8008/09/8002/12/84293,433Insulation of Railroad-Tracks Used for Electrical Circuits
199.08/07/8008/17/8003/29/81239,373Electric Lamp
200.08/07/8008/17/8004/05/81239,745Electric Lamp
201.08/07/8008/17/8008/22/82263,135Electric Lamp
202.08/10/8008/17/8012/27/81251,546Electric Lamp
203.08/11/8008/27/8003/22/81239,153Electric Lamp
204.08/11/8008/27/8011/02/86351,855Electric Lamp
205.08/12/8010/01/8010/18/81248,435Utilizing Electricity as a Motive Power
206.08/14/8008/19/8008/22/82263,132Electro-Magnetic Railway
207.09/01/8010/07/8009/19/82264,645System of Conductors for the Distribution of Electricity
208.09/22/8010/07/8004/26/81240,678Webermeter
209.10/14/8010/30/8003/22/81239,152System of Electric Lighting
210.10/15/8010/30/8003/22/81239,148Treating Carbons for Electric Lamps
211.10/21/8010/30/8012/27/81251,556Regulator for Magneto or Dynamo Electric Machines
212.10/21/8011/05/8006/14/81242,900Manufacturing Carbons for Electric Lamps
213.10/21/8011/11/8002/22/81238,098Magneto Signal Apparatus
214.11/05/8011/24/8010/18/81248,426Apparatus for Treating Carbons for Electric Lamps
215.11/19/8011/24/8003/22/81239,151Method of Forming Enlarged Ends on Carbon Filaments
216.11/23/8011/30/8012/27/8112,631Design for an Incandescent Electric Lamp
217.12/03/8012/15/8003/22/81239,149Incandescing Electric Lamp
218.12/03/8012/15/8006/14/81242,896Incandescent Electric Lamp
219.12/03/8012/15/8006/14/81242,897Incandescent Electric Lamp
220.12/03/8012/15/8010/18/81248,565Webermeter
221.12/03/8012/15/8009/05/82263,878Electric Lamp
222.12/11/8012/14/8003/22/81239,154Relay for Telegraphs
223.12/11/8012/14/8010/18/81248,431Preserving Fruit
224.12/11/8012/15/8006/14/81242,898Magneto or Dynamo Electric Machine
225.12/11/8012/15/8010/10/82265,777Method of Treating Carbons for Electric Lamps
226.12/16/8001/11/8103/29/81239,374Regulating the Generation of Electric Currents
227.12/16/8001/11/8110/18/81248,428Manufacture of Incandescent Electric Lamps
228.12/21/8001/11/8110/18/81248,427Apparatus for Treating Carbons for Electric Lamps
229.12/21/8001/11/8110/18/81248,437Apparatus for Treating Carbons for Electric Lamps
230.12/30/8001/11/8110/18/81248,416Manufacture of Carbons for Electric Lamps
231.01/19/8101/26/8106/14/81242,899Electric Lighting
232.01/19/8101/31/8110/18/81248,418Electric Lamp
233.01/19/8101/31/8110/18/81248,433Vacuum Apparatus
234.01/19/8101/31/8112/27/81251,548Incandescent Electric Lamp
235.01/19/8101/31/8107/09/89406,824Electric Meter
236.01/20/8101/31/8110/18/81248,422System of Electric Lighting
237.02/03/8102/21/8106/24/90431,018Dynamo or Magneto-Electric Machine
238.02/24/8103/03/8106/14/81242,901Electric Meter
239.02/24/8103/03/8110/18/81248,429Electric Motor
240.02/25/8103/05/8110/18/81248,421Current-Regulator for Dynamo-Electric Machines
241.02/26/8103/03/8112/27/81251,550Magneto or Dynamo Electric Machine
242.02/26/8105/27/8112/27/81251,555Regulator for Dynamo-Electric Machines
243.03/02/8103/12/8109/13/92482,549Means for Controlling Electric Generation
244.03/07/8103/26/8110/18/81248,420Fixture and Attachment for Electric Lamps
245.03/07/8103/26/8112/27/81251,553Electric Chandelier
246.03/07/8103/26/8112/27/81251,554Electric Lamp and Socket or Holder
247.03/08/8103/26/8110/18/81248,424Fitting and Fixture for Electric Lamps
248.03/30/8104/15/8110/18/81248,419Electric Lamp
249.04/19/8104/26/8112/27/81251,542System of Electric Lighting
250.04/19/8104/26/8108/22/82263,145Process of Making Incandescents
251.04/21/8104/26/8110/24/82266,447Electric Incandescent Lamp
252.04/22/8104/26/8112/27/81251,552Underground Conductors
253.04/22/8104/26/8106/07/92476,531Electric-Lighting System
254.05/17/8105/27/8110/18/81248,436Depositing Cell for Plating the Connections of Electric Lamps, & c.
255.05/17/8105/27/8112/27/81251,539Electric Lamp
256.05/17/8105/27/8108/22/82263,136Regulator for Dynamo or Magneto Electric Machines
257.05/19/8105/27/8112/27/81251,557Webermeter
258.05/19/8105/28/8108/22/82263,134Regulator for Dynamo or Magneto Electric Machines
259.05/20/8105/31/8112/27/81251,541Electro-Magnetic Motor
260.05/20/8105/31/8112/27/81251,549Electric Lamp and the Manufacture Thereof
261.05/20/8105/31/8105/11/86341,644Incandescent Electric Lamp
262.05/20/8106/22/8112/27/81251,544Manufacture of Electric Lamps
263.05/20/8108/30/8112/27/81251,558Webermeter
264.05/21/8106/24/8108/22/82263,141Straightening Carbons of Electric Incandescent Lamps
265.05/21/8108/30/8112/27/81251,551System of Electric Lighting
266.05/21/8108/30/8108/22/82263,137Electric Chandelier
267.05/21/8108/30/8109/19/82264,657Incandescent Electric Lamp
268.05/24/8108/30/8112/27/81251,543Electric Lamp
269.05/27/8105/28/8112/27/81251,538Electric Light
270.06/02/8106/24/8112/27/81251,547Electrical Governor
271.06/03/8106/22/8108/22/82263,150Magneto or Dynamo Electric Machine
272.06/03/8106/22/8104/15/90425,760Measurement of Electricity in Distribution Systems
273.06/04/8106/22/8108/22/82263,131Magnetic Ore-Separator
274.06/21/8109/03/8109/02/90435,687Means for Charging and Using Secondary Batteries
275.06/24/8108/30/8108/22/82263,143Magneto or Dynamo Electric Machine
276.06/25/8108/30/8112/27/81251,537Dynamo-Electric Machine
277.07/01/8108/30/8108/22/82263,147Vacuum Apparatus
278.07/01/8108/30/8110/28/90439,389Electric-Lighting System
279.07/22/8110/04/8108/22/82263,149Commutator for Dynamo or Magneto Electric Machines
280.07/26/8112/06/8107/19/92479,184Fac-simile Telegraph
281.08/11/8108/25/8203/26/89400,317Ore-Separator
282.08/20/8111/15/8104/15/90425,763Commutator for Dynamo-Electric Machines
283.08/24/8110/04/8108/22/82263,142Electrical Distribution System
284.08/24/8110/04/8109/19/82264,647Dynamo or Magneto Electric Machine
285.08/24/8110/04/8106/11/89404,902Electrical-Distribution System
286.08/24/8111/11/8108/22/82263,133Dynamo or Magneto Electric Machine
287.09/07/8110/17/8105/09/82257,677Telephone
288.09/07/8110/17/8110/17/82266,021Telephone
289.09/19/8111/11/8108/22/82263,144Mold for Carbonizing Incandescents
290.09/21/8111/11/8110/10/82265,774Method of Maintaining Temperature in Webermeters
291.09/23/8111/11/8109/19/82264,648Dynamo or Magneto Electric Machine
292.09/27/8111/11/8110/10/82265,776Electric-Lighting System
293.09/27/8111/11/8108/07/94524,136Regulator for Dynamo-Electric Machines
294.10/04/8108/07/8203/13/83273,715Art of Malleableizing Iron
295.10/05/8111/11/8107/17/83281,352Webermeter
296.10/11/8108/07/8202/17/91446,667Locomotive for Electric Railways
297.10/17/8111/11/8111/13/83288,318Regulator for Dynamo or Magneto Electric Machines
298.10/25/8111/11/8112/27/81251,559Electrical Drop-Light
299.10/25/8111/28/8108/22/82263,148Dynamo or Magneto Electric Machine
300.10/25/8111/28/8109/19/82264,646Dynamo or Magneto Electric Machine
301.10/25/8112/09/8110/31/82266,793Electric Distribution System
302.10/29/8111/28/8103/01/87358,599Incandescent Electric Lamp
303.11/03/8111/28/8109/19/82264,673Regulator for Dynamo-Electric Machines
304.11/07/8111/28/8108/22/82263,138Electric-Arc Light
305.11/07/8111/28/8110/10/82265,775Electric-Arc Light
306.11/07/8111/28/8104/29/84297,580Electric-Arc Light
307.11/22/8111/29/8108/22/82263,146Dynamo Magneto Electric Machine
308.11/22/8111/29/8105/12/85317,631Incandescent Electric Lamp
309.11/25/8112/06/8110/24/82266,588Vacuum Apparatus
310.12/05/8112/07/8112/27/81251,536Vacuum-Pump
311.12/05/8112/09/8109/19/82264,650Manufacture of Incandescing Electric Lamps
312. 12/05/8112/09/8103/20/88379,770Incandescent Electric Lamp
313.12/05/8108/07/8209/19/82264,660Regulator for Dynamo-Electric Machines
314.12/05/8108/07/8202/12/84293,434Incandescent Electric Lamp
315.12/05/8108/07/8210/28/90439,391Junction-Box for Electric Wires
316.12/05/8108/07/8206/23/91454,558Incandescent Electric Lamp
317.12/13/8108/07/8209/19/82264,653Incandescent Electric Lamp
318.12/13/8108/07/8203/01/87358,600Incandescing Electric Lamp
319.12/15/8108/07/8209/19/82264,652Incandescent Electric Lamp
320.12/15/8108/07/8205/29/83278,419Dynamo-Electric Machine
321.01/17/8208/07/8210/10/82265,779Regulator for Dynamo-Electric Machines
322.02/10/8208/07/8209/19/82264,654Incandescent Electric Lamp
323.02/10/8208/07/8209/19/82264,661Regulator for Dynamo-Electric Machines
324.02/10/8208/07/8209/19/82264,664Regulator for Dynamo-Electric Machines
325.02/10/8208/07/8209/19/82264,668Regulator for Dynamo-Electric Machines
326.02/10/8208/07/8209/19/82264,669Regulator for Dynamo-Electric Machines
327.02/10/8208/07/8209/19/82264,671Regulator for Dynamo-Electric Machines
328.02/10/8208/07/8204/10/83275,613Incandescing Electric Lamp
329.02/10/8208/07/8204/16/89401,646Incandescing Electric Lamp
330.02/28/8208/07/8209/19/82264,658Regulator for Dynamo-Electric Machines
331.02/28/8208/07/8209/19/82264,659Regulator for Dynamo-Electric Machines
332.02/28/8208/07/8210/10/82265,780Regulator for Dynamo-Electric Machines
333.02/28/8208/07/8210/10/82265,781Regulator for Dynamo-Electric Machines
334.02/28/8208/07/8205/29/83278,416Manufacture of Incandescing Electric Lamps
335.02/28/8208/07/8203/20/88379,771Regulator for Dynamo-Electric Machines
336.03/30/8210/06/8202/13/83272,034Telephone
337.03/30/8210/06/8203/27/83274,576Transmitting-Telephone
338.03/30/8210/06/8203/27/83274,577Telephone
339.05/01/8205/17/8211/28/82268,205Dynamo or Magneto Electric Machine
340.05/01/8208/07/8209/19/82264,662Regulator for Dynamo-Electric Machines
341.05/01/8208/07/8209/19/82264,663Regulator for Dynamo-Electric Machines
342.05/01/8208/07/8209/19/82264,665Regulator for Dynamo-Electric Machines
343.05/01/8208/07/8209/19/82264,666Regulator for Dynamo-Electric Machines
344.05/01/8208/07/8203/06/83273,488Regulator for Dynamo-Electric Machines
345.05/19/8205/26/8209/29/91460,122Process of and Apparatus for Generating Electricity
346.05/19/8205/26/8201/05/92466,460Art of Electrolytic Decomposition
347.05/19/8206/26/8203/06/83273,492Secondary Battery
348.05/22/8208/07/8209/19/82264,667Regulator for Dynamo-Electric Machines
349.05/22/8208/07/8209/19/82264,672Regulator for Dynamo-Electric Machines
350.05/22/8208/07/8210/10/82265,786Apparatus for the Electrical Transmission of Power
351.05/22/8208/07/8203/13/83273,828System of Underground Conductors for Electrical Distribution
352.05/22/8208/07/8203/20/88379,772System of Electrical Distribution
353.06/03/8208/07/8203/20/83274,292Secondary Battery
354.06/03/8208/07/8206/28/87365,509Filament for Incandescent Electric Lamps
355.06/03/8208/07/8202/17/91446,668Electric-Arc Light
356.06/03/8208/07/8208/06/95543,985Incandescent Conductor for Electric Lamps
357.06/03/8209/13/8207/17/83281,353Dynamo or Magneto Electric Machine
358.06/03/8209/13/8210/30/83287,523Dynamo or Magneto Electric Machine
359.06/09/8208/07/8209/19/82264,651Incandescent Electric Lamp
360.06/09/8208/07/8209/19/82264,655Incandescing Electric Lamp
361.06/09/8208/07/8209/19/82264,670Regulator for Dynamo-Electric Machines
362.06/09/8208/07/8203/06/83273,489Turn-Table for Electric Railways
363.06/09/8208/07/8203/06/83273,490Electro-Magnetic Railway System
364.06/12/8208/07/8204/16/89401,486System of Electric Lighting
365.06/12/8208/07/8206/07/92476,527System of Electric Lighting
366.06/19/8206/26/8210/28/90439,390System of Electric Lighting
367.06/19/8206/26/8202/17/91446,666System of Electric Lighting
368.06/19/8206/28/8212/08/91464,822System of Distributing Electricity
369.06/24/8208/14/8208/26/84304,082Electrical Meter
370.07/05/8208/14/8203/20/83274,296Manufacture of Incandescents
371.07/07/8208/14/8209/19/82264,656Incandescent Electric Lamp
372.07/07/8208/14/8210/10/82265,782Regulator for Dynamo-Electric Machines
373.07/07/8208/14/8210/10/82265,783Regulator for Dynamo-Electric Machines
374.07/07/8208/14/8210/10/82265,784Regulator for Dynamo-Electric Machines
375.07/07/8208/14/8210/10/82265,785Dynamo-Electric Machine
376.07/07/8208/14/8203/06/83273,494Electrical Railroad
377.07/07/8208/14/8205/29/83278,418Apparatus for Translating Electric Currents From High to Low Tension
378.07/07/8208/14/8202/12/84293,435Electrical Meter
379.07/07/8208/14/8201/26/86334,853Mold for Carbonizing
380.07/07/8208/14/8204/06/86339,278Electric Railway
381.08/05/8208/07/8203/13/83273,714Magneto-Electric Signaling Apparatus
382.08/05/8208/07/8207/31/83282,287Magneto-Electric Signaling Apparatus
383.08/05/8208/07/8203/24/91448,778Electric Railway
384.08/12/8208/22/8210/28/90439,392Electric-Lighting System
385.08/25/8209/13/8202/06/83271,613Manufacture of Incandescing Electric Lamps
386.08/25/8209/13/8210/30/83287,518Method of Manufacturing Incandescing Electric Lamps
387.08/25/8209/13/8207/09/89406,825Electric Meter
388.08/25/8209/13/8210/28/90439,393Carbonizing-Chamber
389.09/12/8209/22/8203/06/83273,487Regulator for Dynamo-Electric Machines
390.09/12/8209/22/8204/29/84297,581Incandescent Electric Lamp
391.09/16/8209/22/8201/08/89395,962Method of Manufacturing Electric Lamps
392.10/04/8210/20/8210/30/83287,525Regulator for Systems of Electrical Distribution
393.10/05/8210/12/8206/28/87365,465Valve-Gear
394.10/09/8210/12/8210/21/84307,029Filament for Incandescent Lamps
395.10/10/8210/12/8211/28/82268,206Incandescing Electric Lamp
396.10/12/8210/20/8203/06/83273,486Incandescing Electric Lamp
397.10/14/8210/20/8203/20/83274,293Electric Lamp
398.10/14/8210/20/8204/10/83275,612Manufacture of Incandescing Electric Lamps
399.10/14/8210/20/8206/24/90430,932Manufacture of Incandescent Lamps
400.10/16/8210/20/8202/06/83271,616Regulator for Dynamo-Electric Machines
401.10/17/8210/20/8208/06/95543,986Process of Treating and Products Derived from Vegetable Fibers
402.10/17/8210/20/8208/06/95543,987Filament for Incandescent Lamps
403.10/19/8210/20/8202/06/83271,614Shafting
404.10/19/8210/20/8209/17/89411,016Manufacture of Carbon Filaments
405.10/19/8210/26/8203/06/83273,491Regulator for Driving Engines of Electrical Generators
406.10/19/8210/26/8203/06/83273,493Valve-Gear for Electrical Generator-Engines
407.10/19/8210/26/8202/21/93492,150Process of Coating Conductors for Incandescent Lamps
408.10/19/8211/09/8202/06/83271,615Governor for Dynamo-Electric Machines
409.10/26/8211/09/8203/06/83273,485Incandescing Electric Lamp
410.10/26/8211/09/8205/12/85317,632Incandescent Electric Lamp
411.10/26/8211/09/8205/12/85317,633Incandescent Electric Lamp
412.11/03/8211/09/8210/30/83287,520Incandescing Conductor for Electric Lamps
413.11/03/8211/09/8212/07/86353,783Incandescent Electric Lamp
414.11/03/8211/09/8206/24/90430,933Filament for Incandescent Lamps
415.11/13/8211/23/8203/20/83274,294Incandescing Electric Lamp
416.11/13/8211/23/8207/17/83281,350Regulator for Dynamo-Electric Machines
417.11/14/8211/23/8203/20/83274,295Incandescent Electric Lamp
418.11/14/8211/23/8204/24/83276,233Electrical Generator and Motor
419.11/20/8211/27/8203/20/83274,290System of Electrical Distribution
420.11/28/8212/08/8203/20/83274,291Mold for Carbonizing
421.11/28/8212/08/8205/29/83278,413Regulator for Dynamo-Electric Machines
422.11/28/8212/08/8205/29/83278,414Regulator for Dynamo-Electric Machines
423.11/28/8212/08/8210/30/83287,519Incandescing Electric Lamp
424.11/28/8212/08/8210/30/83287,524Regulator for Dynamo-Electric Machines
425.11/28/8212/08/8210/14/90438,298Manufacture of Incandescent Electric Lamps
426.12/20/8201/08/8304/24/83276,232Means for Operating and Regulating Electrical Generators
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