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Patents > Inventor country : DZ or ES or FR & IPCs : IPC B64C17/00 or IPC B64C39/00

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Tech fields:
airplane (255) · stability (213) · design (128) · automatic stability (110) · aerodynamics (69) · frame (65) · wings (62) · construction (60) · control (56) · None (45) · Propulsion (42) · propellers (38) · equilibrium (37) · subsystem (32) · Lift (29) · rudder (27) · sustentation (25) · fuselage (25) · chassis (19) · pendulum (18)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (294) · Patent FR-1916-502839 (4) · Patent FR-1912-442419 (3) · Patent FR-1910-415470 (3) · Patent FR-1910-435648 (3)
Related to aircraft:
Patent agent:
None (104) · None (45) · Armengaud jeune (42) · J. Bonnet-Thirion (14) · Weismann et Marx (13) · J. Germain (13) · Charles Dony (11) · E. Bletry (10) · L. Chassevent (9) · Y. Rabilloud et fils (9) · Dupont et Elluin (8) · G. de Mestral et F. Harle (7) · Lavoix et Mosès (6) · C. Blétry (6) · Hippolyte Josse (6) · Boult, Wade & Tennant (6) · H. Blouin (5) · Haseltine, Lake & Co. (5)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
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