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Patents > Year granted: 1910 - 1919 & CPCs : CPC B64C23/005 or CPC B64C27/04

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Tech fields:
None (169) · airplane (72) · helicopter (49) · hybrid (41) · Propulsion (38) · frame (36) · propeller (33) · Design (26) · Propellers (25) · stability (25) · navigation (21) · ascension (18) · lift (15) · Wings (15) · whole (14) · construction (13) · sustentation (13) · takeoff (13) · rudder (11)
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Supplementary to patent:
None (276) · Patent FR-1909-410140 (5) · Patent FR-1908-407090 (3) · Patent AT-1909-40038 (2) · Patent AU-1916-630 (2) · Patent DE-1909-220044 (2) · Patent FR-1909-404954 (2) · Patent DE-1910-06-18 Carl Hanschke (2)
Related to aircraft:
Patent agent:
None (153) · Marks & Clerk (6) · None (6) · Victor J. Evans (6) · G. de Mestral et F. Harlé (5) · Schwab (5) · Boramé et Julien (3) · E. Blétry (3) · Paul Caquet (3) · Rigot et Prevost (3) · C. Blétry‎ (3) · Browne & Co. (3) · Munn & Co. (3) · W. P. Thompson & Co. (3) · J. Bonnet-Thirion (3)
National tech categories:
None (143) · FR 6.4 (85) · USPC 244/6 (34) · USPC 244/66 (16) · USPC 244/12.1 (9) · USPC 244/60 (5) · USPC 244/35R (4) · USPC 244/48 (4) · USPC 244/139 (4) · USPC 244/80 (4) · USPC 244/51 (3) · USPC 244/100R (3) · USPC 244/53R (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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