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Patents > CPCs : CPC B64C2700/6295 or CPC B64C33/02 or CPC F02D11/06

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Tech fields:
None (495) · Airplane (186) · Frame (135) · flapping (101) · design (100) · propulsion (84) · wings (84) · stability (83) · ornithopter (60) · navigation (57) · construction (52) · rudder (49) · aerodynamics (44) · propeller (42) · whole (38) · wheels (37) · airfoil (36) · propellers (34) · control (32) · lift (31)
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None (832) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (3) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1916-502839 (3) · Patent FR-1913-461629 (2) · Patent DE-1912-265515 (2) · Patent IT-1907-87304 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1909-244441 (2) · Patent NZ-1909-26981 (2) · Patent FR-1908-407411 (2) · Patent FR-1909-395148 (2) · Patent FR-1909-403418 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1910-421136 (2) · Patent FR-1909-420004 (2) · Patent FR-1909-421311 (2) · Patent FR-1912-441089 (2) · Patent US-1911-994106 (2)
Related to aircraft:
Patent agent:
None (529) · None (29) · Armengaud jeune (16) · Marks & Clerk (13) · Weismann et Marx (10) · Boult, Wade & Tennant (9) · Munn & Co. (8) · J. Germain (8) · Chassevent (7) · Victor J. Evans (6) · Haseltine, Lake & Co. (6) · G. Petiau (6) · Charles Assi (6) · C. A. Snow & Co. (6) · Brandon frères (6) · Y. Rabilloud et fils (6)
National tech categories:
None (439) · FR 6.4 (254) · USPC 244/22 (70) · USPC 244/45R (48) · USPC 244/13 (32) · USPC 244/72 (19) · DE 77h.10 (16) · DE 77 (14) · FR 6.3 (11) · USPC 244/87 (8) · USPC 244/90R (8) · USPC 244/91 (7) · USPC 244/233 (5) · USPC 244/48 (5) · USPC 244/50 (5) · USPC 244/35R (5)
CPCs: (Click arrow to add another value)
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Citations from after 1930:

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