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Patents > IPCs : B64C11/34 or IPC B64C11/00 or IPC B64C23/00

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None (133) · propulsion (84) · airplane (70) · propellers (57) · Design (35) · propeller (27) · Frame (23) · Hybrid (23) · navigation (23) · lift (20) · LTA (19) · helicopter (19) · Construction (19) · wings (19) · stability (19) · ascension (18) · aerodynamics (17) · Subsystem (15) · whole (14)
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Supplementary to patent:
None (262) · Patent FR-1909-410140 (5) · Patent FR-1909-404954 (3) · Patent FR-1910-417989 (3) · Patent GB-1911-20722 (2) · Patent FR-1908-407090 (2) · Patent FR-1908-394254 (2) · Patent FR-1910-418630 (2) · Patent FR-1915-525800 (2) · Patent DE-1912-267069 (2) · Patent DE-1911-10-19 Vincent Wisniewski and-or Luftschiffsantrieb Gesellschaft mit Beschränkter Haftung (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1909-220044 (2) · Patent GB-1911-12232 (2) · Patent FR-1909-410848 (2) · Patent IT-1916-05-16 (2) · Patent AT-1909-40038 (2) · Patent AT-1909-48421 (2)
Related to aircraft:
Patent agent:
None (94) · None (22) · Armengaud jeune (15) · J. Bonnet-Thirion (10) · E. Blétry (9) · G. de Mestral et F. Harlé (8) · Schwab (7) · Boult, Wade & Tennant (7) · Dom. Casalonga (6) · Paul Caquet (6) · Marks & Clerk (6) · C. Blétry‎ (5) · Boramé et Julien (5) · J. Germain (5) · L. Chassevent (5) · Rigot et Prevost (5) · Chassevent (5)
National tech categories:
FR 6.4 (202) · None (100) · FR 6.2 (14) · FR 6.3 (12) · DE 77 (6) · USPC 416/139 (5) · DE 77h.5 (5) · DE 77h.6 (4) · USPC 244/65 (3) · FR 5.8 (3) · USPC 244/6 (3) · DE 77h (2) · FR 10.1 (2) · USPC 244/66 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (172) · CPC B64C11/006 (109) · CPC B64C2700/6274 (108) · CPC B64C11/00 (54) · CPC B64C2700/6273 (16) · CPC B64C11/001 (14) · CPC B64D2700/62692 (12) · CPC B64C11/005 (11) · CPC B64C2700/6271 (10) · CPC B64C23/00 (6) · CPC B64C11/346 (5) · CPC B64C11/007 (4) · CPC B64C11/008 (3)
First filing:
Cites these patents:
None (379)
Citations from after 1930:
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