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Patents > Inventor location : Northampton or None & IPCs: IPC B64C17/00

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Tech fields:
Stability (316) · airplane (239) · automatic stability (142) · Design (71) · control (71) · None (56) · aerodynamics (55) · Equilibrium (48) · subsystem (39) · wings (37) · frame (34) · rudder (27) · pendulum (22) · Construction (21) · balance (18) · lift (17) · steering (17) · propellers (13) · landing (12) · aileron (11)
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None (279) · Patent FR-1908-396249 (5) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent GB-1909-8531 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1912-442419 (3)
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None (77) · None (24) · Armengaud jeune (23) · E. Blétry (14) · J. Bonnet-Thirion (11) · Marks & Clerk (9) · Lavoix et Mosès (9) · Schwab (9) · Charles Dony (9) · Matray frères et Cie (9) · J. Germain (8) · Abel & Imray (8) · Brandon frères (7) · P. Follin (7) · L. Chassevent (7) · Haseltine, Lake & Co. (7) · Herbert Haddan & Co. (6) · J. Fayollet (6) · Paul Coulomb (6)
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