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Patents > Grant date: 1912 & Patent agent : Victor J. Evans or None & Assigned to: None

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Tech fields:
None (325) · airplane (85) · stability (52) · design (45) · frame (42) · propulsion (32) · construction (28) · Wings (28) · subsystem (27) · propellers (26) · LTA (26) · automatic stability (21) · navigation (19) · control (19) · whole (17) · aerodynamics (16) · propeller (14) · airship (12) · helicopter (12) · aeroplane (12)
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Supplementary to patent:
None (496) · Patent FR-1910-423792 (4) · Patent FR-1909-403985 (3) · Patent GB-1911-12188 (2) · Patent FR-1908-397350 (2) · Patent FR-1909-404954 (2) · Patent BE-1910-12-31 Léon Dangy (2) · Patent US-1908-1081147 (2) · Patent GB-1909-26034 (2) · Patent DE-1909-06-09 Romeo Wankmüller (2)
Related to aircraft:
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National tech categories:
None (155) · FR 6.4 (69) · HU V/h (30) · AT 77d (19) · USPC 244/90R (15) · USPC 244/22 (10) · RU Group V (9) · USPC 244/45R (8) · USPC 244/80 (8) · USPC 244/231 (7) · USPC 244/48 (7) · USPC 244/93 (7) · USPC 244/76R (6) · USPC 244/234 (6)
IPCs:
None (449) · IPC B64C39/00 (15) · IPC B64C1/00 (13) · IPC B64C17/00 (12) · IPC CPC B64C13/00 (5) · IPC B64B1/00 (5) · IPC B64C3/00 (5) · IPC B64C25/00 (5) · IPC B64C35/00 (4) · IPC B64C3/38 (4) · IPC F41G3/24 (3) · IPC B64D1/04 (3) · IPC B64C33/02 (3) · IPC B64C3/54 (3) · IPC B64C11/00 (3)
CPCs:
None (93) · CPC B64C2700/6295 (56) · CPC B64C17/00 (47) · CPC B64C13/00 (38) · CPC B64C23/005 (29) · CPC B64C3/385 (26) · CPC B64C39/00 (25) · CPC B64C33/02 (23) · CPC B64B1/00 (13) · CPC B64C13/24 (11) · CPC B64C3/14 (10) · CPC B64B1/40 (9) · CPC B64C2700/6219 (9) · CPC B64C2700/6274 (9) · CPC B64C17/06 (8) · CPC B64C39/005 (8) · CPC B64C2700/6218 (8) · CPC B64C11/006 (7) · CPC B64C2700/6281 (7) · CPC B64C3/00 (7)
First filing:
Citations from after 1930:
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