Drilldown: Patents

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Patents > Tech fields : Propellers or aerostat or rudder

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Applicant firm:
None (1494) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Motorluftschiff Studiengesellschaft m.b.H (9) · British and Colonial Aeroplane Co. (7) · Daimler Motoren-Gesellschaft (5) · Jacob Lohner & Co. (4) · Westinghouse Electric & Manufacturing Company (3) · E. Rumpler Luftfahrzeugbau G.m.b.H. (3) · Borrmann and Kaerting (3) · Louis-Honoré Gauthier (2) · A Sociedade Estella Cessionaria de João Gouveia (2) · Österreichische Daimler Motoren A. G. (2) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (2) · Société “Aviator” (2) · Société anonyme des appareils d'aviation Hanriot (2) · Westinghouse Canada Limited (2) · Lang Propeller Limited (2) · Luft-Verkehrs-Gesellschaft m.b.H. (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:
Assigned to:
None (1587) · Westinghouse Electric & Manufacturing Company (3)
National tech categories:
FR 6.4 (395) · None (394) · BE K (115) · HU V/h (108) · FR 6.3 (83) · FR 6.2 (62) · AT 77d (37) · GB 4 propel & steer (15) · FR 5 (14) · FR 6 (12) · DE 77h.5 (12) · USPC 244/87 (11) · USPC 244/233 (11) · GB 4 with buoyant (11) · CH 129b (10) · USPC 244/51 (10) · USPC 244/22 (10) · FR 5.8 (10) · USPC 244/35R (9) · DE 77h.6 (9)
IPCs:
None (844) · IPC B64C39/00 (77) · IPC B64C11/00 (71) · IPC B64B1/00 (52) · IPC B64C17/00 (43) · IPC B64C1/00 (39) · IPC B64C11/04 (29) · IPC B64C13/00 (29) · IPC B64C23/00 (28) · IPC B63H1/12 (26) · IPC B64C11/20 (24) · IPC B64C11/16 (22) · IPC B64C27/04 (21) · IPC B64C33/02 (19) · IPC B64C11/36 (12) · IPC B64D35/04 (12) · IPC B64C35/00 (11) · IPC B64B1/58 (10) · IPC B64D27/00 (9)
First filing:
Citations from after 1930:
Number of diagram pages:

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