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Patents > CPCs : CPC B64C23/005 or CPC B64C33/02 or CPC B64D17/72

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None (608) · Seine (15) · Paris (7) · Chicago (6) · Seine-et-Oise (5) · London (4) · Nord (4) · California (4) · Morbihan (3) · Indiana (3) · Lorient (3) · Meurthe-et-Moselle (3) · Minnesota (3) · Missouri (3) · New York (3) · New York county (3) · Pennsylvania (3) · Rhône (3) · Aisne (3)
Applicant is inventor:
Tech fields:
None (240) · airplane (143) · propulsion (134) · flapping (121) · frame (100) · hybrid (78) · ornithopter (77) · navigation (73) · wings (69) · propeller (68) · helicopter (61) · design (55) · stability (52) · propellers (40) · LTA (38) · takeoff (33) · ascension (31) · lift (30) · rudder (29) · control (27)
Full specification filed date:
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Supplementary to patent:
None (596) · Patent FR-1909-410140 (5) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (4) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1908-407411 (3) · Patent FR-1909-404954 (2) · Patent FR-1908-407090 (2) · Patent FR-1915-525800 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1909-244441 (2) · Patent DE-1909-220044 (2) · Patent DE-1907-217533 (2) · Patent IT-1907-87304 (2) · Patent FR-1909-420004 (2) · Patent AU-1916-630 (2) · Patent AT-1909-40038 (2)
Related to aircraft:
National tech categories:
FR 6.4 (251) · None (203) · USPC 244/22 (69) · USPC 244/6 (47) · DE 77h.10 (22) · USPC 244/66 (20) · USPC 244/72 (19) · DE 77 (18) · USPC 244/12.1 (15) · FR 6.3 (13) · USPC 244/80 (7) · USPC 244/60 (6) · DE 77h (6) · USPC 244/35R (6) · USPC 244/100R (5) · USPC 244/139 (5) · USPC 244/48 (4)
IPCs:
None (307) · IPC B64C23/00 (218) · IPC B64C33/02 (192) · IPC B64C33/00 (14) · IPC B64C23/005 (8) · IPC B64D17/72 (7) · IPC F02K1/36 (2) · IPC B22D33/00 (2) · IPC F16C17/10 (2) · IPC B64C29/00 (2) · IPC F16F9/06 (2) · IPC F16F9/32 (2) · IPC F16F9/34 (2) · IPC 64C23/00 (2) · IPC F16F9/348 (2) · IPC B64C17/00 (2) · IPC B64C11/00 (2) · IPC F22D11/02 (2) · IPC F02K1/28 (2)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (743)
Citations from after 1930:
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