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Patents > IPCs : IPC B64B1/62 or IPC B64C11/00 or IPC B64C13/00

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Tech fields:
Propulsion (87) · airplane (83) · control (83) · propellers (71) · LTA (68) · design (50) · None (39) · stability (38) · navigation (36) · steering (34) · wings (30) · aerodynamics (28) · rudder (27) · subsystem (26) · frame (25) · lift (23) · construction (20) · marine (19) · propeller (17)
Full specification filed date:
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Supplementary to patent:
None (300) · Patent FR-1910-417989 (3) · Patent FR-1913-456298 (3) · Patent DE-1912-267069 (2) · Patent DE-1911-10-19 Vincent Wisniewski and-or Luftschiffsantrieb Gesellschaft mit Beschränkter Haftung (2) · Patent DE-1909-03-30 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent DE-1908-239989 (2) · Patent GB-1911-12232 (2) · Patent DE-1908-220975 (2) · Patent DE-1918-388537 (2) · Patent AT-1909-48421 (2) · Patent FR-1909-410848 (2) · Patent IT-1916-05-16 (2)
Related to aircraft:
Patent agent:
None (130) · Armengaud jeune (22) · None (12) · Marks & Clerk (10) · Boult, Wade & Tennant (9) · J. Bonnet-Thirion (8) · Weismann et Marx (7) · Lavoix et Mosès (7) · Brewer & Son (7) · Dom. Casalonga (6) · E. Blétry (6) · Y. Rabilloud et fils (6) · Munn & Co. (5)
National tech categories:
FR 6.4 (168) · None (122) · DE 77h.5 (18) · FR 6.2 (11) · USPC 244/233 (9) · USPC 244/97 (9) · USPC 244/234 (7) · FR 6.3 (7) · USPC 244/231 (5) · DE 77 (5) · USPC 416/139 (5) · DE 77h.3 (4) · USPC 244/237 (4) · FR 5.8 (3) · USPC 244/65 (3) · USPC 244/87 (3) · USPC 244/225 (3) · USPC 244/89 (3) · DE 62b.15 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C13/00 (153) · CPC B64C11/006 (107) · CPC B64C2700/6256 (99) · CPC B64B1/62 (59) · CPC B64C11/00 (50) · CPC B64C11/001 (14) · CPC B64D2700/62692 (12) · CPC B64C11/005 (10) · CPC B64C2700/6259 (7) · CPC B64C11/346 (5) · CPC B64C11/007 (4) · None (4) · CPC B64C11/008 (3)
First filing:
Citations from after 1930:
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