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Patents > Year granted: 1912 & IPCs : IPC B64C23/00 or None

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Year granted:
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Applicant is inventor:
Tech fields:
None (449) · Airplane (131) · stability (66) · frame (58) · Design (47) · propulsion (41) · wings (41) · propeller (38) · LTA (32) · aerodynamics (30) · subsystem (30) · propellers (29) · construction (28) · navigation (26) · whole (23) · helicopter (23) · control (23) · automatic stability (21) · wheels (20)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (665) · Patent US-1909-970771 (3) · Patent GB-1911-12188 (3) · Patent GB-1909-26034 (3) · Patent FR-1910-423792 (3) · Patent GB-1911-5162 (3) · Patent GB-1909-12556 (3) · Patent US-1910-1041876 (3) · Patent FR-1909-403985 (3)
Related to aircraft:
Patent agent:
None (561) · Victor J. Evans (14) · Munn & Co. (10) · None (8) · Joshua R. H. Potts (4) · Haseltine, Lake & Co. (3) · W. P. Thompson & Co. (3) · De Visscher et Graetz (3) · B. Singer (3) · E. G. Vrooman (3)
National tech categories:
None (260) · HU V/h (30) · AT 77d (19) · FR 6.4 (18) · USPC 244/90R (18) · USPC 244/80 (17) · RU Group V (17) · BE K (14) · USPC 244/22 (14) · USPC 244/35R (13) · USPC 244/76R (12) · USPC 244/45R (12) · USPC 244/93 (11) · USPC 244/48 (10) · USPC 244/144 (9) · USPC 244/87 (9) · USPC 244/139 (8) · USPC 244/147 (8) · USPC 244/6 (8)
IPCs: (Click arrow to add another value)
CPCs:
None (241) · CPC B64C2700/6295 (53) · CPC B64C17/00 (49) · CPC B64C23/005 (46) · CPC B64C13/00 (44) · CPC B64C33/02 (30) · CPC B64C3/385 (26) · CPC B64C39/00 (23) · CPC B64C3/14 (20) · CPC B64C2700/6274 (17) · CPC B64C13/24 (15) · CPC B64B1/00 (15) · CPC B64C11/006 (14) · CPC B64C39/08 (11) · CPC B64C39/005 (11) · CPC B64B1/40 (10) · CPC B64C2700/6218 (9) · CPC B64C35/00 (7) · CPC B64C1/00 (7) · CPC B64C17/06 (7)
First filing:
Citations from after 1930:

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