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Patents > IPCs : IPC B64C17/00 or IPC B64C3/00 & Number of claims: 2-5

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None (310) · Seine (3) · Nièvre (3) · Hampshire (2) · London (2) · Maine-et-Loire (2) · Nord (2) · New York (2) · England (2) · Michigan (2)
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Tech fields:
airplane (155) · stability (154) · automatic stability (67) · frame (54) · None (50) · construction (45) · design (41) · wings (38) · control (37) · subsystem (28) · aerodynamics (22) · equilibrium (20) · rudder (14) · balance (13) · pendulum (12) · Steering (10) · fuselage (10) · lift (9) · biplane (9)
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Supplementary to patent:
None (225) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent FR-1907-373818 (2) · Patent HU-1909-49726 (2) · Patent FR-1912-442419 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1909-408872 (2) · Patent IT-1916-07-14 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent DE-1910-243485 (2) · Patent FR-1910-415470 (2) · Patent BE-1912-08-13-Panian (2) · Patent FR-1908-396249 (2) · Patent US-1915-1149680 (2) · Patent FR-1917-504302 (2) · Patent AT-1913-79244 (2)
Related to aircraft:
Patent agent:
None (55) · Armengaud jeune (20) · Marks & Clerk (17) · None (14) · Charles Dony (10) · Haseltine, Lake & Co. (8) · E. Blétry (8) · Société A. Frey et de Carsalade (7) · L. Chassevent (7) · Herbert Haddan & Co. (6) · Dupont et Elluin (6) · Lavoix et Mosès (6) · Paul Coulomb (5) · Rigot et Prévost (5) · Schwab (5) · Matray frères et Cie (4) · Hippolyte Josse (4) · Brandon frères (4) · J. Germain (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (225) · CPC B64C3/00 (114) · CPC B64C2700/6218 (80) · CPC B64C2700/6212 (54) · CPC B64C2700/6235 (50) · CPC B64C2700/6233 (35) · CPC B64C2700/6214 (29) · CPC B64C2700/6219 (10) · CPC B64C2700/6215 (5) · CPC B64C3/385 (4) · CPC B64C3/48 (4) · CPC B64C3/18 (2) · CPC B64C2700/6211 (2) · CPC B64C1/00 (2)
First filing:
Citations from after 1930:
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