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Patents > Office: FR & IPCs : IPC B64C11/18 or IPC B64C17/00

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Tech fields:
stability (267) · airplane (219) · automatic stability (136) · design (69) · control (65) · aerodynamics (56) · None (39) · equilibrium (36) · wings (36) · subsystem (30) · Frame (28) · rudder (22) · Construction (21) · pendulum (19) · lift (17) · steering (16) · aileron (14) · sustentation (13) · propellers (13) · cables (12)
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Supplementary to patent:
None (247) · Patent FR-1908-396249 (5) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1912-450608 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1909-408872 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent FR-1910-423998 (2) · Patent FR-1914-476300 (2) · Patent FR-1912-442419 (2)
Related to aircraft:
Patent agent:
None (55) · None (38) · Armengaud jeune (25) · E. Blétry (15) · J. Bonnet-Thirion (13) · Lavoix et Moses (11) · Charles Dony (11) · Matray frères et Cie (10) · J. Germain (9) · Schwab (9) · Paul Coulomb (8) · P. Follin (8) · Brandon frères (7) · L. Chassevent (7) · J. Fayollet (6) · Société A. Frey et de Carsalade (6) · Hippolyte Josse (6)
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Citations from after 1930:
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