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Patents > Applicant firm: None & CPCs : CPC B64C23/005 or CPC F02B57/08

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None (327) · Seine (7) · Nord (4) · California (4) · Indiana (3) · Seine-et-Oise (3) · Aisne (3) · New York (3) · Chicago (3) · Pennsylvania (2) · Gironde (2) · London (2) · Maine-et-Loire (2) · New York county (2) · Meurthe-et-Moselle (2) · the Bronx (2) · Birmingham (2) · Villers-Cotterêts (2) · Minnesota (2) · Paris (2)
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Tech fields:
None (153) · airplane (108) · propulsion (73) · hybrid (54) · helicopter (53) · frame (45) · propeller (43) · navigation (41) · stability (34) · design (33) · propellers (29) · ascension (25) · lift (23) · wings (20) · takeoff (20) · LTA (19) · construction (16) · sustentation (15) · whole (15)
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Supplementary to patent:
None (331) · Patent FR-1909-410140 (5) · Patent DE-1909-220044 (2) · Patent FR-1915-525800 (2) · Patent AT-1909-40038 (2) · Patent FR-1908-407090 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1909-404954 (2) · Patent AU-1916-630 (2)
Related to aircraft:
Patent agent:
None (117) · None (19) · Victor J. Evans (11) · Munn & Co. (8) · J. Bonnet-Thirion (7) · G. de Mestral et F. Harlé (6) · Armengaud jeune (6) · W. P. Thompson & Co. (5) · Schwab (5) · Marks & Clerk (4) · E. Bletry (4) · Paul Caquet (4) · Chassevent (4) · J. Germain (4)
National tech categories:
FR 6.4 (133) · None (124) · USPC 244/6 (47) · USPC 244/66 (20) · USPC 244/12.1 (15) · USPC 244/80 (7) · USPC 244/60 (6) · DE 77 (5) · USPC 244/100R (5) · USPC 244/35R (5) · USPC 244/139 (4) · FR 6.3 (4) · USPC 244/48 (4) · DE 77h.5 (3) · USPC 244/65 (3) · FR 5.8 (3) · USPC 244/104R (3) · USPC 244/51 (3)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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