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Patents > IPCs: IPC B64C17/00 & CPCs : CPC B64C17/00 or CPC B64C35/00 & Family year: 1900 - 1999

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Tech fields:
stability (348) · airplane (268) · automatic stability (162) · design (84) · control (78) · aerodynamics (65) · None (60) · equilibrium (54) · wings (47) · frame (43) · subsystem (43) · Pendulum (31) · construction (30) · rudder (28) · lift (24) · steering (19) · balance (17) · Propellers (15)
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Supplementary to patent:
None (308) · Patent FR-1908-396249 (5) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent FR-1912-442419 (3) · Patent GB-1909-8531‎ (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (96) · None (33) · Armengaud jeune (25) · E. Blétry (15) · Marks & Clerk (13) · Charles Dony (11) · Matray frères et Cie (10) · J. Bonnet-Thirion (10) · Haseltine, Lake & Co. (8) · Lavoix et Mosès (8) · Abel & Imray (8) · J. Germain (8) · L. Chassevent (7) · P. Follin (7) · Hippolyte Josse (7) · Schwab (7) · Herbert Haddan & Co. (7) · J. Fayollet (6) · Brandon frères (6)
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