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Patents > IPCs : IPC B64C23/00 or IPC B64C33/00 or IPC B64D17/00

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Tech fields:
None (107) · Airplane (76) · propulsion (39) · Frame (34) · flapping (33) · design (32) · hybrid (32) · stability (27) · wings (24) · ornithopter (24) · navigation (22) · parachute (22) · propellers (19) · Lift (18) · propeller (16) · ascension (15) · control (15) · Construction (15) · HTA (14) · helicopter (14)
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None (216) · Patent FR-1909-410140 (5) · Patent FR-1912-439277 (4) · Patent AT-1912-75092 (3) · Patent BE-1913-255172 (2) · Patent US-1910-982907 (2) · Patent GB-1913-4191 (2) · Patent FR-1915-525800 (2) · Patent FR-1912-449070 (2) · Patent FR-1911-431691 (2) · Patent AT-1909-40038 (2) · Patent FR-1908-407090 (2) · Patent FR-1908-394254 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1909-220044 (2) · Patent FR-1909-404954 (2) · Patent AT-1913-59404‎ (2) · Patent BE-1910-Hervieu-parachute (2)
Related to aircraft:
Patent agent:
None (64) · None (22) · Brandon frères (7) · E. Blétry (7) · J. Bonnet-Thirion (6) · Armengaud jeune (6) · Rigot et Prevost (5) · G. de Mestral et F. Harle (5) · Weismann et Marx (5) · W. P. Thompson & Co. (5) · Dupont et Elluin (5) · Schwab (5) · H. Bœttcher fils (5) · L. Chassevent (5) · Lavoix et Mosès (4) · Munn & Co. (4) · Boramé et Julien (4) · Boult, Wade & Tennant (4) · Paul Caquet (4) · C. Blétry (4)
National tech categories:
FR 6.4 (182) · None (74) · USPC 244/22 (13) · USPC 244/11 (7) · FR 6.3 (6) · USPC 244/147 (4) · DE 77 (4) · USPC 244/6 (3) · DE 77h.5 (3) · USPC 244/72 (2) · USPC 244/66 (2) · USPC 244/64 (2) · USPC 244/63 (2) · FR 11.2 (2) · DE 77h.10 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (172) · CPC B64C2700/6274 (108) · CPC B64C33/00 (69) · CPC B64D17/00 (49) · CPC B64C2700/6273 (16) · CPC B64C33/02 (15) · CPC B64C2700/6271 (10) · CPC B64D2700/62508 (9) · CPC B64C23/00 (6) · CPC F41A17/48 (4) · CPC F41A17/58 (4) · CPC C10L5/22 (4) · CPC F41A19/13 (4) · CPC F41A3/38 (4) · CPC F41A3/42 (4) · CPC F41A5/12 (4) · CPC F41A9/52 (4) · CPC F41A15/14 (4) · CPC B64D2700/62526 (3)
First filing:
Cites these patents:
None (319)
Citations from after 1930:
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