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Patents > CPCs : CPC B63H1/26 or CPC B64C13/00 or CPC B64C39/00

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Tech fields:
None (589) · airplane (217) · control (112) · stability (94) · Frame (94) · Design (84) · navigation (62) · rudder (56) · Wings (54) · steering (48) · Propellers (45) · construction (45) · lift (37) · propulsion (31) · whole (28) · aerodynamics (28) · automatic stability (23) · monoplane (20)
Full specification filed date:
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Supplementary to patent:
None (823) · Patent US-1910-1055379 (3) · Patent US-1910-996592 (3) · Patent FR-1916-502839 (3) · Patent FR-1908-392672 (3) · Patent US-1909-970771 (3)
Related to aircraft:
Patent agent:
None (495) · Armengaud jeune (34) · None (26) · Marks & Clerk (22) · Weismann et Marx (15) · Munn & Co. (14) · Brewer & Son (11) · Boult, Wade & Tennant (11) · Haseltine, Lake & Co. (10) · Brandon frères (10) · J. Bonnet-Thirion (9) · L. Chassevent (8) · E. Blétry (8) · Y. Rabilloud et fils (8) · J. Germain (7) · Abel & Imray (6) · G. Petiau (6) · G. de Mestral et F. Harlé (6) · Dom. Casalonga (6) · Dupont et Elluin (6)
National tech categories:
None (471) · FR 6.4 (300) · USPC 244/233 (37) · USPC 244/90R (33) · DE 77h.5 (28) · USPC 244/78.1 (17) · FR 6.2 (13) · USPC 244/87 (13) · USPC 244/82 (13) · USPC 244/225 (10) · USPC 244/234 (9) · USPC 244/231 (9) · USPC 244/237 (8) · USPC 244/88 (8) · USPC 244/89 (6) · USPC 244/232 (6) · USPC 244/100R (6) · USPC 244/119 (6) · FR 6.3 (6) · USPC 244/80 (6)
CPCs: (Click arrow to add another value)
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