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Patents > CPCs : CPC B64C17/00 or CPC B64C35/00 & First filing: Yes

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None (269) · stability (262) · airplane (156) · automatic stability (110) · design (52) · control (46) · frame (39) · equilibrium (34) · aerodynamics (31) · hydroaeroplane (28) · wings (28) · hydroplane (27) · construction (23) · pendulum (23) · subsystem (21) · aeroplane (19) · marine (18) · balance (17) · lift (17)
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None (629) · Patent FR-1910-435648 (2) · Patent FR-1911-443878 (2) · Patent FR-1914-475066 (2) · Patent US-1908-1077750 (2) · Patent DE-1913-03-26 Gustav Mees (2) · Patent DE-1913-02-20 Gustav Mees (2)
Related to aircraft:
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None (293) · None (26) · Armengaud jeune (15) · Victor J. Evans (11) · E. Blétry (10) · Munn & Co. (10) · Boult, Wade & Tennant (10) · J. Bonnet-Thirion (9) · Hippolyte Josse (7) · J. Bonnet-Thirion et Breton (7) · Charles Dony (7) · Lavoix et Mosès (6) · P. Follin (6) · Haseltine, Lake & Co. (5) · Brewer & Son (5) · L. Chassevent (5) · John P. Tarbox (5) · Marks & Clerk (5) · Matray frères et Cie (5)
National tech categories:
None (292) · FR 6.4 (231) · USPC 244/80 (59) · USPC 244/93 (18) · USPC 244/177 (12) · DE 77h.5 (9) · USPC 244/92 (8) · USPC 244/90R (7) · USPC 244/101 (6) · USPC 244/89 (3) · FR 6.3 (3) · USPC 244/87 (3) · USPC 244/139 (3) · USPC 244/105 (3)
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