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Patents > CPCs : CPC B64C23/005 or CPC B64C33/02 or CPC B64C5/02

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None (371) · airplane (115) · propulsion (110) · flapping (101) · frame (91) · navigation (68) · propeller (62) · ornithopter (59) · hybrid (52) · wings (49) · stability (45) · helicopter (44) · LTA (36) · Design (35) · rudder (30) · propellers (29) · takeoff (27) · control (23) · whole (22) · airfoil (22)
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None (627) · Patent FR-1909-410140 (5) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (4) · Patent BE-1910-12-28-Muehter (3) · Patent AT-1909-40038 (2) · Patent FR-1909-404954 (2) · Patent DE-1907-217533 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent FR-1915-525800 (2) · Patent IT-1907-87304 (2) · Patent DE-1909-244441 (2) · Patent DE-1909-220044 (2) · Patent FR-1909-420004 (2) · Patent FR-1908-394254‎ (2) · Patent FR-1908-407411 (2) · Patent AU-1916-630 (2) · Patent FR-1908-407090 (2)
Related to aircraft:
Patent agent:
None (357) · None (25) · Munn & Co. (11) · Victor J. Evans (10) · Armengaud jeune (7) · Schwab (7) · C. A. Snow & Co. (7) · Marks & Clerk (7) · Rigot et Prévost (6) · C. Blétry (6) · G. de Mestral et F. Harle (6) · J. Germain (6) · Ad. Sturm (6) · E. Blétry (6) · Boult, Wade & Tennant (5) · J. Bonnet-Thirion (5) · Chassevent (5) · A. de Carsalade (5)
National tech categories:
None (266) · FR 6.4 (202) · USPC 244/22 (71) · USPC 244/6 (48) · DE 77h.10 (22) · USPC 244/66 (20) · USPC 244/72 (20) · DE 77 (20) · USPC 244/12.1 (16) · FR 6.3 (12) · USPC 244/80 (7) · USPC 244/35R (6) · DE 77h (6) · USPC 244/60 (6) · USPC 244/100R (5) · USPC 244/139 (5) · USPC 244/48 (4)
CPCs: (Click arrow to add another value)
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Cites these patents:
None (763)
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