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Patents > Office : BE or CA or FR & IPCs : IPC B64C1/00 or IPC B64D35/04

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Tech fields:
stability (199) · airplane (197) · automatic stability (92) · design (75) · aerodynamics (62) · control (50) · wings (41) · equilibrium (37) · construction (34) · None (29) · frame (29) · subsystem (28) · gyroscope (23) · lift (23) · rudder (21) · propellers (21) · fuselage (20) · steering (17) · sustentation (17) · aileron (15)
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Supplementary to patent:
None (205) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent FR-1910-430552 (2) · Patent FR-1910-423998 (2) · Patent FR-1909-408872 (2) · Patent FR-1912-450608 (2) · Patent FR-1913-465942 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent FR-1905-361723 (2)
Related to aircraft:
Patent agent:
None (59) · None (24) · Armengaud jeune (23) · J. Bonnet-Thirion (13) · E. Blétry (11) · Charles Dony (10) · Lavoix et Mosès (8) · Schwab (7) · J. Germain (7) · de Bongé (7) · Hippolyte Josse (7) · Weismann et Marx (7) · Dom. Casalonga (7) · J. Fayollet (6) · L. Chassevent (6) · P. Follin (6)
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Citations from after 1930:
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