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Patents > IPCs : IPC B64C11/00 or IPC B64C23/00

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None (333) · Seine (6) · Nord (4) · Bouches-du-Rhône (2) · Indiana (2) · Maine-et-Loire (2) · Paris (2) · Seine-et-Oise (2) · Birmingham (2) · California (2)
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None (265) · Patent FR-1909-410140 (3) · Patent FR-1910-417989 (3) · Patent GB-1911-20722 (2) · Patent FR-1909-404954 (2) · Patent FR-1908-394254‎ (2) · Patent FR-1915-525800 (2) · Patent DE-1912-267069 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1909-220044 (2) · Patent DE-1911-10-19 Vincent Wisniewski and-or Luftschiffsantrieb Gesellschaft mit Beschränkter Haftung (2) · Patent IT-1916-05-16 (2) · Patent AT-1909-40038 (2) · Patent FR-1909-410848 (2)
Related to aircraft:
Patent agent:
None (85) · None (26) · Armengaud jeune (14) · J. Bonnet-Thirion (11) · Chassevent (7) · Boult, Wade & Tennant (7) · E. Blétry (7) · G. de Mestral et F. Harlé (6) · Paul Caquet (6) · J. Germain (6) · Dom. Casalonga (6) · Marks & Clerk (6) · Schwab (5) · W. P. Thompson & Co. (5) · Rigot et Prévost (5)
National tech categories:
FR 6.4 (194) · None (115) · FR 6.2 (12) · FR 6.3 (11) · USPC 416/139 (5) · DE 77h.5 (4) · DE 77h.6 (4) · DE 77 (4) · USPC 244/6 (3) · USPC 244/65 (2) · FR 5.8 (2) · DE 77h (2) · USPC 244/66 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (188) · CPC B64C2700/6274 (123) · CPC B64C11/006 (102) · CPC B64C11/00 (49) · CPC B64C2700/6273 (16) · CPC B64C11/001 (12) · CPC B64C2700/6271 (12) · CPC B64C11/005 (10) · CPC B64D2700/62692 (10) · CPC B64C11/346 (5) · CPC B64C11/007 (4) · CPC B64C11/008 (3)
First filing:
Cites these patents:
None (373)
Citations from after 1930:
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