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Patents > CPCs : CPC B64B1/40 or CPC B64C23/005 or CPC Y10T74/1221

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Tech fields:
None (237) · LTA (119) · airplane (114) · propulsion (74) · frame (63) · stability (61) · navigation (60) · hybrid (54) · balloon (51) · propeller (50) · Helicopter (49) · design (44) · propellers (30) · ascension (29) · takeoff (25) · construction (24) · parachute (23) · lift (21) · wings (21) · rudder (21)
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None (491) · Patent FR-1909-410140 (5) · Patent GB-1911-2636 (2) · Patent FR-1909-404954 (2) · Patent AT-1909-40038 (2) · Patent FR-1908-407090 (2) · Patent FR-1908-394254 (2) · Patent FR-1915-525800 (2) · Patent FR-1902-321808 (2) · Patent DE-1909-220044 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent AU-1916-630 (2) · Patent US-1911-1003530 (2)
Related to aircraft:
Patent agent:
None (298) · None (13) · Munn & Co. (9) · Victor J. Evans (8) · Armengaud jeune (8) · Marks & Clerk (7) · Schwab (6) · J. Bonnet-Thirion (6) · G. de Mestral et F. Harlé (5) · E. Blétry (4) · C. Blétry (4) · G. et P. de Mestral (4) · J. Germain (4) · Lavoix et Mosès (4) · Chassevent (4) · Paul Caquet (4)
National tech categories:
None (208) · FR 6.4 (139) · USPC 244/6 (48) · USPC 244/66 (20) · USPC 244/127 (17) · USPC 244/12.1 (16) · DE 77 (14) · USPC 244/32 (13) · USPC 244/96 (12) · FR 6.3 (11) · USPC 244/33 (10) · USPC 244/31 (8) · DE 77h (7) · USPC 244/80 (7) · USPC 244/60 (6) · USPC 244/139 (5) · USPC 244/99 (5) · USPC 244/35R (5) · USPC 244/100R (5)
CPCs: (Click arrow to add another value)
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Cites these patents:
None (582)
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