Drilldown: Patents

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Patents > Tech fields : Propellers or hybrid

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Applicant firm:
None (1233) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · British and Colonial Aeroplane Co. (6) · Daimler Motoren-Gesellschaft (5) · Alphonse Tellier et Cie (5) · Jacob Lohner & Co. (4) · Westinghouse Electric & Manufacturing Company (3) · Borrmann and Kaerting (3) · Louis-Honoré Gauthier (2) · Lang Propeller Limited (2) · Société “Aviator” (2) · Société anonyme des appareils d'aviation Hanriot (2) · Société Malécot & Cie (2) · Österreichische Daimler Motoren A. G. (2) · Tarbox Safety Aircraft Company (2) · Westinghouse Canada Limited (2) · Curtiss Aeroplane and Motor Corporation (2) · AGO Flugzeugwerke G. m. b. H. (2) · Ateliers d'aviation Louis Bréguet (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Related to aircraft:
National tech categories:
FR 6.4 (385) · None (338) · BE K (109) · HU V/h (105) · FR 6.2 (60) · FR 6.3 (38) · AT 77d (29) · USPC 244/6 (10) · FR 6 (10) · DE 77h.6 (10) · USPC 244/64 (8) · USPC 244/22 (8) · USPC 244/11 (8) · RU Group V (7) · CH 129b (7) · DE 77h.5 (7) · DE 77h (7) · USPC 244/25 (6) · USPC 244/50 (6)
IPCs:
None (651) · IPC B64C11/00 (70) · IPC B64C39/00 (67) · IPC B64B1/00 (53) · IPC B64C23/00 (48) · IPC B64C27/04 (31) · IPC B63H1/12 (26) · IPC B64C35/00 (25) · IPC B64C11/04 (24) · IPC B64C11/20 (23) · IPC B64C11/16 (22) · IPC B64C1/00 (19) · IPC B64C17/00 (19) · IPC B64C33/02 (19) · IPC B64D35/04 (12) · IPC B64C11/36 (12) · IPC B64B1/58 (11) · IPC B64C33/00 (10) · IPC B64D27/00 (9)
First filing:
Citations from after 1930:
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