Drilldown: Patents

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Patents > Assigned to : William B Keep or None & CPCs: CPC B64C23/005

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None (316) · Seine (7) · Nord (4) · California (4) · Chicago (3) · Aisne (3) · New York (3) · Seine-et-Oise (3) · Minnesota (2) · Maine-et-Loire (2) · London (2) · New York county (2) · Indiana (2) · Gironde (2) · Paris (2) · Meurthe-et-Moselle (2) · Pennsylvania (2) · the Bronx (2) · Villers-Cotterêts (2) · Birmingham (2)
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Tech fields:
None (154) · airplane (108) · propulsion (70) · hybrid (54) · helicopter (53) · frame (46) · propeller (45) · navigation (40) · stability (34) · design (33) · propellers (28) · ascension (25) · lift (23) · takeoff (21) · wings (20) · LTA (19) · construction (16) · whole (16) · sustentation (15)
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Supplementary to patent:
None (322) · Patent FR-1909-410140 (5) · Patent DE-1909-220044 (2) · Patent FR-1908-407090 (2) · Patent FR-1915-525800 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent AT-1909-40038 (2) · Patent FR-1909-404954 (2) · Patent AU-1916-630 (2)
Related to aircraft:
Patent agent:
None (113) · None (19) · Victor J. Evans (10) · Munn & Co. (8) · J. Bonnet-Thirion (6) · G. de Mestral et F. Harlé (6) · Armengaud jeune (6) · W. P. Thompson & Co. (6) · Schwab (5) · Chassevent (4) · Paul Caquet (4) · J. Germain (4) · E. Bletry (4) · Marks & Clerk (4)
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National tech categories:
FR 6.4 (134) · None (123) · USPC 244/6 (47) · USPC 244/66 (18) · USPC 244/12.1 (14) · USPC 244/80 (7) · USPC 244/60 (6) · USPC 244/139 (5) · DE 77 (5) · USPC 244/35R (4) · USPC 244/48 (4) · FR 6.3 (4) · USPC 244/100R (4) · USPC 244/104R (3) · USPC 244/65 (3) · DE 77h.5 (3)
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