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Patents > CPCs : CPC B63H1/12 or CPC B64C17/00

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None (774) · Seine (12) · Loire (7) · Paris (7) · Nièvre (4) · Meurthe-et-Moselle (3) · Michigan (3) · La Ricamarie (3) · New York (3) · New York City (3) · Nord (3) · England (3) · Ohio (3) · San Antonio (3) · California (3) · Orne (3) · Bexar county (3) · TX (3)
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Tech fields:
stability (464) · airplane (337) · None (230) · automatic stability (199) · design (95) · Control (92) · aerodynamics (69) · frame (65) · equilibrium (63) · subsystem (50) · wings (48) · rudder (37) · pendulum (36) · construction (35) · lift (28) · propellers (28) · navigation (26) · balance (26) · propeller (23) · steering (22)
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Supplementary to patent:
None (644) · Patent FR-1908-396249 (5) · Patent GB-1909-8531 (4) · Patent US-1908-1077750 (4) · Patent US-1908-935766 (3) · Patent FR-1911-446282 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent US-1908-1081147 (3) · Patent US-1908-989022 (3) · Patent FR-1909-399456 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1912-442419 (3)
Related to aircraft:
Patent agent:
None (275) · None (47) · Armengaud jeune (28) · Victor J. Evans (17) · Marks & Clerk (16) · E. Blétry (14) · Munn & Co. (14) · J. Bonnet-Thirion (12) · Charles Dony (11) · Lavoix et Mosès (10) · Matray frères et Cie (10) · Abel & Imray (10) · Schwab (9) · J. Germain (8) · Brandon frères (8) · Haseltine, Lake & Co. (8) · Herbert Haddan & Co. (8) · Paul Coulomb (8) · P. Follin (8)
National tech categories:
FR 6.4 (383) · None (332) · USPC 244/80 (57) · DE 77h.5 (20) · USPC 244/93 (19) · USPC 244/177 (13) · USPC 244/92 (7) · USPC 416/200R (7) · FR 6.2 (6) · USPC 244/90R (6) · FR 6.3 (3) · USPC 244/113 (2) · USPC 244/82 (2) · USPC 244/87 (2) · USPC 244/139 (2) · USPC 244/89 (2) · USPC 244/91 (2) · USPC 244/233 (2)
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