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Patents > IPCs : IPC B64C23/00 or IPC B64C31/00 or IPC B64C31/06

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None (236) · Seine (12) · Yorkshire (4) · England (3) · Nord (3) · Aisne (3) · London (3) · Maine-et-Loire (2) · Indiana (2) · Paris (2) · Harrogate (2) · Gironde (2) · Seine-et-Oise (2) · Villers-Cotterêts (2) · California (2)
Applicant is inventor:
Tech fields:
None (72) · Airplane (69) · kite (61) · hybrid (38) · frame (36) · propulsion (36) · design (32) · propellers (28) · stability (27) · helicopter (26) · lift (24) · wings (21) · Ascension (21) · aerodynamics (18) · construction (17) · navigation (16) · control (15) · sustentation (14) · propeller (14)
Full specification filed date:
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Supplementary to patent:
None (228) · Patent FR-1909-410140 (5) · Patent DE-1909-220044 (2) · Patent FR-1915-525800 (2) · Patent FR-1909-404954 (2) · Patent FR-1908-407090 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1909-399976 (2) · Patent AT-1909-40038 (2)
Related to aircraft:
Patent agent:
None (53) · None (31) · Armengaud jeune (8) · J. Bonnet-Thirion (6) · G. de Mestral et F. Harlé (6) · E. Bletry (6) · Schwab (5) · Borame et Julien (4) · C. Blétry (4) · Chassevent (4) · Paul Caquet (4) · W. P. Thompson & Co. (4) · Brandon frères (4) · Boult, Wade & Tennant (4)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
Number of diagram pages:

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