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Patents > CPCs : CPC B64C23/005 or CPC B64C2700/6281

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Tech fields:
None (267) · Airplane (110) · propulsion (86) · helicopter (85) · hybrid (55) · frame (51) · propeller (48) · navigation (46) · design (41) · Propellers (40) · stability (35) · ascension (32) · lift (25) · construction (22) · takeoff (21) · wings (21) · control (18) · LTA (17) · Whole (16) · heavier-than-air (15)
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None (468) · Patent FR-1909-410140 (5) · Patent FR-1908-407090 (4) · Patent AU-1916-630 (3) · Patent US-1911-1003885 (2) · Patent DE-1909-220044 (2) · Patent FR-1908-394254‎ (2) · Patent FR-1915-525800 (2) · Patent FR-1915-478440 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent US-1911-1011761 (2) · Patent AT-1909-40038 (2)
Related to aircraft:
Patent agent:
None (300) · None (16) · Victor J. Evans (7) · J. Germain (7) · G. de Mestral et F. Harlé (7) · Marks & Clerk (6) · Munn & Co. (6) · Armengaud jeune (6) · J. Bonnet-Thirion (5) · Schwab (5) · C. Blétry (5) · Matray freres et Cie (4) · Paul Caquet (4) · Browne & Co. (4) · Borame et Julien (4) · J. S. Withers & Spooner (4)
National tech categories:
None (252) · FR 6.4 (144) · USPC 244/6 (47) · USPC 244/66 (20) · USPC 244/12.1 (16) · FR 6.3 (10) · USPC 244/80 (7) · USPC 244/60 (6) · DE 77 (6) · USPC 244/35R (5) · USPC 244/139 (5) · USPC 244/65 (5) · USPC 416/123 (4) · USPC 244/100R (4) · USPC 244/48 (4) · USPC 244/51 (3) · DE 77h.5 (3) · DE 77h (3) · USPC 244/53R (3) · USPC 244/104R (3)
CPCs: (Click arrow to add another value)
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Cites these patents:
None (552)
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