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Patents > CPCs : CPC B64C11/48 or CPC B64C33/02 or CPC B64C39/06

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Tech fields:
None (205) · flapping (102) · propulsion (64) · ornithopter (60) · Frame (53) · wings (48) · propeller (42) · Airplane (37) · navigation (32) · Design (23) · propellers (22) · stability (20) · hybrid (20) · LTA (20) · rudder (18) · airfoil (15) · control (12) · landing (12) · marine (12) · wing (12)
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Supplementary to patent:
None (424) · Patent FR-1912-446040 (4) · Patent BE-1910-12-28-Muehter (3) · Patent GB-1909-12556 (3) · Patent FR-1908-407411 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1909-244441 (2) · Patent IT-1907-87304 (2) · Patent FR-1909-420004 (2)
Related to aircraft:
Patent agent:
None (269) · None (15) · Munn & Co. (9) · C. A. Snow & Co. (5) · Victor J. Evans (4) · Schwab (4) · Ad. Sturm (4) · Armengaud jeune (4) · Chassevent (3) · E. Blétry (3) · Hippolyte Josse (3) · Marks & Clerk (3) · C. Blétry (3) · Rigot et Prévost (3) · A. de Carsalade (3)
National tech categories:
None (230) · FR 6.4 (98) · USPC 244/22 (70) · USPC 244/72 (19) · DE 77h.10 (18) · DE 77 (15) · FR 6.3 (8) · USPC 416/128 (7) · USPC 416/200R (6) · USPC 416/129 (6) · DE 77h (4) · FR 6.2 (3) · USPC 244/64 (3) · USPC 244/133 (2) · USPC 244/65 (2) · USPC 244/45R (2) · USPC 244/35R (2) · GB 4 propelling (2) · GB 4 propel & steer (2)
CPCs: (Click arrow to add another value)
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