Drilldown: Patents

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Patents > Office : FR or GB or None & IPCs : IPC CPC B64C13/00 or IPC B64C1/00 or IPC B64C13/00 & CPCs : CPC B64C13/00 or CPC B64C2700/6218 & First filing : No or Other

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Tech fields:
stability (161) · airplane (157) · control (76) · automatic stability (67) · design (55) · aerodynamics (42) · None (37) · steering (37) · wings (32) · equilibrium (26) · Frame (26) · subsystem (23) · construction (23) · rudder (23) · Lift (20) · propellers (14) · landing (12) · Sustentation (12) · navigation (10) · Chassis (8)
Full specification filed date:
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Supplementary to patent:
None (190) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent DE-1910-04-04 August Wendtland (2) · Patent US-1913-1118124 (2) · Patent NZ-1909-25865 (2) · Patent IT-1909-09-10-Romagnoli (2) · Patent HU-1913-Pédery-Varsányi-Zoltán (2) · Patent GB-1909-8531 (2) · Patent FR-1912-450608 (2) · Patent FR-1910-423998 (2) · Patent FR-1910-421027 (2) · Patent FR-1909-408872 (2) · Patent FR-1910-435648 (2)
Related to aircraft:
Patent agent:
None (44) · Armengaud jeune (16) · None (15) · Marks & Clerk (11) · Weismann et Marx (9) · Boult, Wade & Tennant (8) · E. Blétry (7) · Brandon frères (7) · Brewer & Son (7) · Abel & Imray‎ (5) · Haseltine, Lake & Co. (5) · Charles Dony (5) · J. Fayollet (5)
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IPCs: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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