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Patents > CPCs : CPC B63H1/26 or CPC B64C11/006 or CPC B64C39/00

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Tech fields:
None (620) · airplane (116) · propulsion (97) · design (64) · propellers (57) · Frame (57) · propeller (46) · Wings (35) · construction (34) · stability (33) · marine (33) · lift (29) · Whole (23) · paddle-wheel (21) · aerodynamics (21) · control (17) · navigation (17) · subsystem (17) · LTA (15) · fuselage (15)
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Supplementary to patent:
None (810) · Patent FR-1910-423792 (3) · Patent US-1910-996592 (3) · Patent FR-1916-502839 (3)
Related to aircraft:
Patent agent:
None (560) · None (31) · Armengaud jeune (30) · J. Bonnet-Thirion (14) · Marks & Clerk (13) · E. Blétry (10) · Y. Rabilloud et fils (10) · L. Chassevent (9) · Boult, Wade & Tennant (9) · Brandon frères (8) · Weismann et Marx (8) · G. de Mestral et F. Harlé (7) · Boramé et Julien (7) · Chassevent (7) · G. Petiau (7) · J. Germain (6) · Paul Caquet (6) · Munn & Co. (6) · Charles Assi (6)
National tech categories:
None (599) · FR 6.4 (288) · FR 6.2 (25) · USPC 416/113 (13) · USPC 416/108 (11) · FR 6.3 (8) · USPC 416/116 (8) · DE 77h.5 (6) · USPC 244/71 (5) · DE 77h.6 (5) · USPC 244/13 (4) · FR 5.8 (4) · USPC 416/109 (2) · USPC 244/91 (2) · DE 77h.8 (2) · FR 6.1 (2)
CPCs: (Click arrow to add another value)
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