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Patents > IPCs : IPC B63B27/34 or IPC B64C17/00

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None (479) · Seine (11) · Loire (7) · Paris (5) · Nièvre (4) · La Ricamarie (3) · New York City (3) · Nord (3) · Meurthe-et-Moselle (3) · Rhône (2) · Maine-et-Loire (2) · Hérault (2) · Nancy (2) · New York county (2) · Orne (2) · Var (2) · Budapest (2) · Bouches-du-Rhône (2)
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stability (376) · Airplane (286) · automatic stability (170) · control (84) · Design (83) · aerodynamics (62) · None (61) · equilibrium (53) · Frame (47) · wings (43) · subsystem (42) · pendulum (29) · Construction (28) · rudder (28) · lift (22) · steering (20) · balance (19) · propellers (16)
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None (339) · Patent FR-1908-396249 (5) · Patent GB-1909-8531 (3) · Patent FR-1912-442419 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
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None (88) · None (44) · Armengaud jeune (24) · Marks & Clerk (15) · E. Blétry (13) · J. Bonnet-Thirion (12) · Charles Dony (11) · Matray frères et Cie (10) · Lavoix et Mosès (10) · J. Germain (9) · Schwab (9) · P. Follin (8) · Abel & Imray (8) · Paul Coulomb (8) · Haseltine, Lake & Co. (7) · Herbert Haddan & Co. (7) · Brandon frères (7) · L. Chassevent (7)
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