Drilldown: Patents

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Patents > Tech fields : airfoil or propellers

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Applicant firm:
None (1159) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · British and Colonial Aeroplane Co. (6) · Motorluftschiff Studiengesellschaft m.b.H (5) · Daimler Motoren-Gesellschaft (5) · Jacob Lohner & Co. (4) · Westinghouse Electric & Manufacturing Company (3) · Borrmann and Kaerting (3) · E. Rumpler Luftfahrzeugbau G.m.b.H. (3) · Société “Aviator” (2) · Österreichische Daimler Motoren A. G. (2) · Société Antoinette (2) · Louis-Honoré Gauthier (2) · Lang Propeller Limited (2) · Société anonyme des appareils d'aviation Hanriot (2) · Allgemeine Elektricitäts-Gesellschaft (2) · Westinghouse Canada Limited (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)
Full specification filed date:
Application number:
Granted:
Related to aircraft:
National tech categories:
None (331) · FR 6.4 (326) · HU V/h (100) · BE K (98) · FR 6.2 (60) · AT 77d (42) · FR 6.3 (31) · DE 77h.5 (15) · USPC 244/35R (11) · IT 8 (11) · CH 129b (11) · USPC 244/45R (10) · DE 77h.6 (9) · DE 77h.7 (8) · USPC 244/22 (8) · USPC 244/87 (7) · FR 6 (7) · USPC 244/72 (6) · USPC 244/64 (6)
IPCs:
None (622) · IPC B64C39/00 (72) · IPC B64C11/00 (69) · IPC B64C23/00 (28) · IPC B63H1/12 (26) · IPC B64C11/04 (24) · IPC B64C11/20 (23) · IPC B64C17/00 (23) · IPC B64C11/16 (23) · IPC B64B1/00 (23) · IPC B64C27/04 (21) · IPC B64C1/00 (21) · IPC B64C3/38 (17) · IPC B64C33/02 (16) · IPC B64C11/36 (12) · IPC B64D35/04 (12) · IPC B64C3/00 (10) · IPC B64C3/52 (10)
First filing:
Citations from after 1930:
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