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Patents > CPCs : CPC B64B1/005 or CPC B64C17/00 & Citations from after 1930: None

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None (530) · Seine (8) · Loire (6) · Paris (5) · Nord (3) · Bexar county (3) · New York City (3) · San Antonio (3) · La Ricamarie (3) · TX (3) · England (3)
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Tech fields:
stability (342) · airplane (309) · automatic stability (170) · None (130) · design (90) · Control (80) · aerodynamics (67) · equilibrium (59) · frame (57) · subsystem (49) · wings (46) · construction (33) · Pendulum (32) · rudder (31) · lift (26) · navigation (22) · LTA (21) · aileron (17) · propellers (17)
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Supplementary to patent:
None (394) · Patent GB-1909-8531 (4) · Patent FR-1908-396249 (4) · Patent FR-1909-399456 (3) · Patent US-1908-1077750 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1911-446282 (3) · Patent FR-1912-442419 (3)
Related to aircraft:
Patent agent:
None (215) · Armengaud jeune (27) · None (26) · Marks & Clerk (12) · E. Blétry (9) · Charles Dony (9) · Abel & Imray (8) · Victor J. Evans (7) · P. Follin (7) · J. Bonnet-Thirion (7) · Brandon frères (6) · Haseltine, Lake & Co. (6) · Matray freres et Cie (6) · Paul Coulomb (6) · Schwab (6)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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