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Patents > CPCs : CPC B64C23/005 or CPC B64C39/005 or CPC Y02T50/14

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Tech fields:
None (252) · airplane (135) · propulsion (116) · frame (70) · navigation (70) · hybrid (64) · propeller (62) · helicopter (62) · stability (46) · Design (45) · LTA (37) · propellers (34) · ascension (31) · wings (27) · Lift (25) · takeoff (25) · construction (22) · rudder (21) · heavier-than-air (21)
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None (496) · Patent FR-1909-410140 (5) · Patent FR-1915-525800 (2) · Patent US-1916-1208684 (2) · Patent AU-1916-630 (2) · Patent FR-1909-404954 (2) · Patent AT-1909-40038 (2) · Patent FR-1908-407090 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent CA-1909-126457 (2) · Patent FR-1908-394254 (2) · Patent FR-1902-326476 (2) · Patent DE-1909-220044 (2) · Patent GB-1911-12188 (2)
Related to aircraft:
Patent agent:
None (258) · None (17) · Munn & Co. (15) · Victor J. Evans (9) · Marks & Clerk (7) · Armengaud jeune (6) · G. de Mestral et F. Harlé (6) · J. Germain (5) · E. Blétry (5) · J. Bonnet-Thirion (5) · C. Blétry (5) · Boult, Wade & Tennant (4) · C. A. Snow & Co. (4) · Boramé et Julien (4) · Schwab (4) · Paul Caquet (4)
National tech categories:
None (225) · FR 6.4 (129) · USPC 244/6 (48) · USPC 244/66 (21) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/12.1 (16) · USPC 244/9 (13) · FR 6.3 (10) · USPC 244/80 (7) · USPC 244/60 (6) · USPC 244/39 (6) · DE 77 (6) · USPC 244/48 (6) · USPC 244/139 (6) · USPC 244/35R (5) · USPC 244/119 (5) · USPC 244/19 (5) · USPC 244/100R (4) · DE 77h.5 (4)
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Cites these patents:
None (576)
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