Drilldown: Patents

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Patents > Tech fields : Propellers or Subsystem

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Applicant firm:
None (1340) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Société Antoinette (11) · Luft-Verkehrs-Gesellschaft m.b.H. (8) · British and Colonial Aeroplane Co. (6) · Daimler Motoren-Gesellschaft (5) · Siemens-Schuckert Werke GmbH (4) · Österreichische Daimler Motoren A. G. (4) · Jacob Lohner & Co. (4) · Westinghouse Electric & Manufacturing Company (3) · Tarbox Safety Aircraft Company (3) · Motorluftschiff Studiengesellschaft m.b.H (3) · Luftschiffbau Zeppelin (3) · Ateliers d'aviation Louis Bréguet (3) · Borrmann and Kaerting (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
Granted:
Related to aircraft:
National tech categories:
FR 6.4 (420) · None (367) · HU V/h (158) · BE K (106) · FR 6.2 (62) · AT 77d (58) · FR 6.3 (30) · DE 77h (16) · NL 62 (16) · CH 129b (15) · GB 4 propel & steer (15) · DE 77h.6 (14) · DE 77h.5 (13) · DK 77 (10) · DE 77h.15 (9) · FR 6 (7) · FR 5.8 (7)
IPCs:
None (697) · IPC B64C11/00 (73) · IPC B64C39/00 (72) · IPC B64C17/00 (57) · IPC B64C1/00 (51) · IPC B64C23/00 (27) · IPC B63H1/12 (26) · IPC B64C11/16 (25) · IPC B64C11/04 (24) · IPC B64C11/20 (24) · IPC B64B1/00 (23) · IPC B64C27/04 (22) · IPC B64C33/02 (19) · IPC B64C3/00 (17) · IPC B64C35/00 (14) · IPC B64C13/00 (14) · IPC B64D35/04 (12) · IPC B64C11/36 (12) · IPC B64C3/38 (11) · IPC B64B1/58 (10)
First filing:
Citations from after 1930:
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