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Patents > IPCs : IPC B61C9/22 or IPC B64C17/00 & Number of figures: 4-6

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Office:
Inventors:
Albéric de la Celle (7) · None (6) · Albert Lebrun (3) · Théophile Protin (3) · François d’Astanières (3) · Pierre-Octave Détable (3) · Gaston Madeira (3) · Camille Contal (3) · Joseph Wetterwald (3)
Inventor country:
Applicant person:
None (8) · Albéric de La Celle (7) · Albert Lebrun (3) · François d’Astanières (3) · Théophile Protin (3) · Pierre-Octave Détable (3) · Gaston Madeira (3) · Camille Contal (3) · Joseph Wetterwald (3)
Applicant is inventor:
Tech fields:
stability (109) · airplane (84) · automatic stability (49) · design (30) · control (28) · None (23) · wings (18) · aerodynamics (16) · subsystem (14) · Equilibrium (13) · frame (12) · construction (11) · Lift (9) · rudder (8) · pendulum (7) · aileron (5) · Safety (5) · propellers (5) · balance (5) · sustentation (5)
Full specification filed date:
Application number:
None (6)
Granted:
Supplementary to patent:
None (96) · Patent CH-1910-52816 (2) · Patent US-1911-1030764 (2) · Patent US-1910-999125 (2) · Patent US-1908-989022 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent FR-1914-475066 (2) · Patent FR-1912-442419 (2) · Patent FR-1910-415470 (2) · Patent FR-1909-401348 (2) · Patent US-1917-1257212 (2) · Patent BE-1912-08-13-Panian (2)
Related to aircraft:
Patent agent:
None (34) · Armengaud jeune (10) · None (9) · Charles Dony (7) · Société A. Frey et de Carsalade (4) · Rigot et Prévost (4) · Hippolyte Josse (4) · L. Chassevent (3) · Abel & Imray (3) · Dom. Casalonga (3) · Brandon frères (3) · C. Blétry (3)
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First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
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