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Patents > IPCs : IPC B64C11/00 or IPC B64C23/00 or IPC B64C33/00

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None (407) · Seine (9) · Seine-et-Oise (4) · Paris (4) · Nord (4) · Aisne (3) · Birmingham (2) · Chicago (2) · Pennsylvania (2) · Bouches-du-Rhône (2) · Indiana (2) · Maine-et-Loire (2) · California (2) · Villers-Cotterêts (2)
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Supplementary to patent:
None (339) · Patent FR-1909-410140 (3) · Patent FR-1910-417989 (3) · Patent IT-1916-05-16 (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 GB-1911-20722 (2) · Patent DE-1911-10-19 Vincent Wisniewski and-or Luftschiffsantrieb Gesellschaft mit Beschränkter Haftung (2) · Patent FR-1909-410848 (2) · Patent AT-1909-40038 (2) · Patent AT-1912-75092 (2)
Related to aircraft:
Patent agent:
None (108) · None (35) · Armengaud jeune (17) · J. Bonnet-Thirion (12) · E. Blétry (10) · G. de Mestral et F. Harlé (7) · Boult, Wade & Tennant (7) · Chassevent (7) · Marks & Clerk (6) · Dom. Casalonga (6) · J. Germain (6) · W. P. Thompson & Co. (6) · Paul Caquet (6) · C. Blétry (5) · Rigot et Prévost (5) · Schwab (5) · Weismann et Marx (5)
National tech categories:
FR 6.4 (233) · None (143) · USPC 244/22 (13) · FR 6.2 (12) · FR 6.3 (11) · USPC 244/11 (7) · USPC 416/139 (5) · DE 77h.5 (5) · DE 77 (4) · DE 77h.6 (4) · USPC 244/6 (3) · USPC 244/64 (2) · USPC 244/65 (2) · USPC 244/66 (2) · USPC 244/72 (2) · FR 5.8 (2) · USPC 244/63 (2) · DE 77h (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (189) · CPC B64C2700/6274 (121) · CPC B64C11/006 (102) · CPC B64C33/00 (82) · CPC B64C11/00 (49) · CPC B64C2700/6273 (17) · CPC B64C33/02 (15) · 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 (469)
Citations from after 1930:
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