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Patents > IPCs : IPC A63H27/00 or IPC B64C17/00 & Number of claims: 3-5

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Office:
Inventors:
Adolphe-François-Joseph Doutre (5) · Alexander Blair Thaw (4) · None (3) · Albert Lebrun (3) · François d’Astanières (3)
Inventor country:
Applicant person:
Adolphe-François-Joseph Doutre (5) · Alexander Blair Thaw (4) · None (3) · Albert Lebrun (3) · François d’Astanières (3)
Applicant is inventor:
Tech fields:
Stability (91) · airplane (67) · automatic stability (42) · control (21) · equilibrium (15) · design (15) · None (14) · subsystem (11) · aerodynamics (11) · rudder (11) · balance (10) · frame (10) · pendulum (8) · construction (7) · Wings (7) · lift (5) · LTA (4) · landing (4) · airfoil (4) · steering (4)
Full specification filed date:
Application number:
None (10)
Granted:
Supplementary to patent:
None (89) · Patent HU-1909-49726 (2) · Patent FR-1912-442419 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent FR-1910-415470 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent BE-1911-05-15 Georges de Bothezat (2)
Related to aircraft:
Patent agent:
None (20) · Armengaud jeune (11) · None (6) · Marks & Clerk (6) · Charles Dony (5) · L. Chassevent (5) · E. Blétry (5) · Paul Coulomb (4) · Haseltine, Lake & Co. (4) · Herbert Haddan & Co. (4) · Schwab (3) · Société A. Frey et de Carsalade (3)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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