Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Supplementary to patent : Patent US-1913-04-21 George Raymond Lawrence or None

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None (312) · Otto Lilienthal (9) · Eugene F. Falconnet (6) · Ernst Georg August Baumgarten (5) · Albert Livingstone Blackman (4) · Georg Wellner (4) · Carl Wolfgang Petersen (3) · Frederick William Brearey (3) · Comte Antoine Apraxine (3)
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Tech fields:
None (263) · LTA (110) · navigation (75) · Propulsion (65) · balloon (38) · propeller (23) · car (20) · airship (20) · frame (19) · stability (19) · rudder (17) · control (13) · marine (13) · aerostat (12) · military (12) · safety (11) · cargo (9) · flapping (9) · ornithopter (8) · balloons (8)
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Patent agent:
None (392) · Munn & Co. (18) · Desnos (9) · Armengaud jeune (7) · Dieuaide (5) · Thirion (5) · Blétry frères (4) · D. W. Glassie (3) · 1 (3) · Albert Cahen (3) · None (3) · Bardin (3) · Chassevent (2) · Louis Bagger & Co. (2) · Phillips & Leigh (2) · Mennons jeune (2) · Maurice Sautter (2)
National tech categories:
None (317) · FR 6.3 (77) · DE 77 (33) · USPC 244/30 (10) · USPC 244/153R (6) · USPC 244/28 (5) · USPC 244/64 (4) · FR 6.4 (4) · USPC 244/26 (4) · USPC 89/1.51 (4) · DE 13 (3) · USPC 244/51 (3) · DE 80 (3) · USPC 244/27 (3) · USPC 244/96 (3) · USPC 244/155R (3) · CA 244/24 (3)
IPCs:
None (466) · IPC B64B1/00 (12) · IPC B64C33/02 (9) · IPC B64C31/06 (5) · IPC B64C31/00 (5) · IPC B64C39/00 (4) · 1 (3) · IPC F42B10/00 (2) · IPC B64C9/00 (2) · IPC B64C11/00 (2) · IPC B64B1/58 (2) · IPC B64B1/40 (2) · IPC B64C23/00 (2)
CPCs:
None (245) · CPC B64C11/006 (36) · CPC B64C11/346 (28) · CPC B64B1/00 (28) · CPC F05B2260/74 (17) · CPC B64C11/48 (14) · CPC B63H1/04 (11) · CPC B64C11/343 (11) · CPC B64C11/06 (10) · CPC B63H1/12 (10) · CPC B64C33/02 (10) · CPC B64C11/36 (9) · CPC Y02E10/74 (9) · CPC Y02E10/72 (8) · CPC B64C3/48 (8) · CPC F03D3/00 (8)
First filing:
Citations from after 1930:
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