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Patents > CPCs : CPC B64C23/005 or CPC B64C27/04 or CPC B64C2700/6274

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Tech fields:
None (220) · airplane (125) · helicopter (82) · propulsion (82) · hybrid (61) · frame (51) · propeller (51) · navigation (46) · design (43) · propellers (39) · stability (35) · ascension (33) · lift (28) · wings (23) · takeoff (22) · construction (22) · LTA (19) · sustentation (19) · heavier-than-air (19) · whole (18)
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None (415) · Patent FR-1909-410140 (5) · Patent FR-1908-407090 (4) · Patent AT-1909-40038 (2) · Patent US-1911-1009048 (2) · Patent DE-1909-220044 (2) · Patent FR-1915-525800 (2) · Patent FR-1915-502520 (2) · Patent FR-1908-394254 (2) · Patent AU-1916-630 (2) · Patent FR-1909-404954 (2) · Patent DE-1910-06-18 Carl Hanschke (2)
Related to aircraft:
Patent agent:
None (228) · None (18) · Armengaud jeune (7) · G. de Mestral et F. Harlé (7) · Victor J. Evans (7) · Marks & Clerk (6) · Munn & Co. (6) · J. Bonnet-Thirion (5) · Schwab (5) · J. Germain (5) · Paul Caquet (4) · J. Fayollet (4) · Lavoix et Mosès (4) · Matray freres et Cie (4) · E. Bletry (4) · Boramé et Julien (4)
National tech categories:
None (200) · FR 6.4 (152) · USPC 244/6 (48) · USPC 244/66 (20) · USPC 244/12.1 (16) · FR 6.3 (7) · USPC 244/80 (7) · USPC 244/60 (6) · DE 77 (5) · USPC 244/35R (5) · USPC 244/139 (5) · USPC 244/48 (4) · USPC 244/100R (4) · USPC 244/65 (3) · USPC 244/104R (3) · DE 77h.5 (3) · USPC 244/53R (3) · USPC 244/51 (3)
CPCs: (Click arrow to add another value)
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Cites these patents:
None (499)
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