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Patents > CPCs : CPC B64C11/343 or CPC B64C17/00 & Number of claims: 3-40

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Tech fields:
stability (201) · airplane (137) · automatic stability (85) · None (45) · frame (37) · control (37) · Design (35) · equilibrium (32) · aerodynamics (25) · rudder (23) · Subsystem (20) · construction (20) · wings (20) · balance (17) · pendulum (17) · Lift (16) · propeller (13) · navigation (13) · fuselage (11)
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None (235) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent US-1908-1077750 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1912-442419 (3) · Patent US-1914-1169695 (2) · Patent US-1913-1203221 (2) · Patent US-1908-989022 (2) · Patent US-1908-1081147 (2) · Patent IT-1911-06-09 Carlo Navaro (2) · Patent HU-1909-49726 (2) · Patent FR-1912-450608 (2) · Patent FR-1910-435648 (2) · Patent FR-1910-428665 (2) · Patent FR-1910-415470 (2) · Patent FR-1910-414892 (2) · Patent FR-1911-443878 (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent AU-1911-510 (2)
Related to aircraft:
Patent agent:
None (54) · Armengaud jeune (20) · Marks & Clerk (13) · Victor J. Evans (11) · Munn & Co. (9) · None (9) · Charles Dony (8) · E. Blétry (8) · Haseltine, Lake & Co. (6) · Lewis William Goold (5) · L. Chassevent (5) · Lloyd Wise & Co. (4) · Boramé et Julien (4) · Paul Coulomb (4) · Dupont et Elluin (4) · Abel & Imray (4) · Herbert Haddan & Co. (4) · Schwab (4) · Charles W. Hills (4)
National tech categories:
None (119) · FR 6.4 (117) · USPC 244/80 (42) · USPC 244/177 (12) · USPC 244/93 (10) · DE 77h.5 (5) · USPC 244/90R (4) · USPC 244/139 (2) · USPC 416/135 (2) · USPC 244/92 (2) · USPC 244/82 (2)
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