Drilldown: Patents

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Patents > Office : BE or Other & Tech fields : hybrid or subsystem

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Office: (Click arrow to add another value)
Applicant firm:
None (981) · A. Wunderlich & Cie, Ingénieurs-Conseils (34) · Société Antoinette (10) · Luft-Verkehrs-Gesellschaft m.b.H. (7) · Tarbox Safety Aircraft Company (5) · Alphonse Tellier et Cie (5) · Siemens-Schuckert Werke GmbH (4) · Motorluftschiff Studiengesellschaft m.b.H (3) · Luftschiffbau Zeppelin (3) · Borrmann and Kaerting (3) · Curtiss Aeroplane (3)
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Full specification filed date:
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Granted:
Related to aircraft:
National tech categories:
FR 6.4 (282) · None (222) · HU V/h (100) · BE K (75) · AT 77d (38) · DE 77h (22) · FR 6.3 (21) · FR 6.2 (18) · GB 4 propel & steer (18) · DE 77h.5 (16) · NL 62 (15) · USPC 244/6 (11) · CH 129b (10) · DE 77h.15 (9) · DE 77h.9 (8) · USPC 244/22 (8) · USPC 244/64 (7) · USPC 244/11 (7) · RU Group V (7)
IPCs:
None (563) · IPC B64B1/00 (48) · IPC B64C17/00 (48) · IPC B64C1/00 (43) · IPC B64C23/00 (35) · IPC B64C39/00 (32) · IPC B64C35/00 (22) · IPC B64C27/04 (19) · IPC B64C3/00 (19) · IPC B64C33/02 (18) · IPC B64B1/58 (17) · IPC B64C11/00 (15) · IPC B64C33/00 (12) · IPC B64C13/00 (11) · IPC B64C3/38 (10) · IPC B64C17/06 (9) · IPC B64C25/00 (8) · IPC B64C11/04 (8)
First filing:
Citations from after 1930:
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