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Patents > Grant date: 1911 & Related to aircraft: Yes

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Tech fields:
airplane (183) · Stability (101) · None (97) · Design (93) · frame (66) · propellers (56) · Propulsion (56) · construction (55) · LTA (53) · automatic stability (46) · aerodynamics (43) · wings (43) · control (38) · subsystem (35) · navigation (35) · wheels (29) · propeller (29) · rudder (28) · lift (26) · landing (24)
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Supplementary to patent:
None (340) · Patent FR-1910-414004 (3) · Patent FR-1909-420322 (3) · Patent FR-1909-399456 (3) · Patent IT-1910-112937 (2) · Patent FR-1910-423998 (2) · Patent FR-1910-417989 (2) · Patent FR-1910-427818 (2) · Patent FR-1910-429307 (2) · Patent FR-1910-430552 (2) · Patent FR-1909-399456.11513 (2) · Patent FR-1907-373818 (2) · Patent FR-1906-366080 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent GB-1911-2636 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1910-423792 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent BE-1909-219837 (2) · Patent AT-1909-IE (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (222) · Armengaud jeune (30) · J. Bonnet-Thirion (14) · Hippolyte Josse (10) · E. Blétry (9) · J. Germain (8) · de Bongé (7) · Dupont et Elluin (6) · Charles Dony (6) · L. Chassevent (6) · P. Follin (5) · Herbert Haddan & Co. (5) · Paul Caquet (5) · Dom. Casalonga (5) · H. Bœttcher fils (5) · Haseltine, Lake & Co. (5)
National tech categories:
FR 6.4 (203) · None (113) · USPC 244/90R (9) · FR 6.2 (7) · HU V/h (7) · USPC 244/22 (7) · USPC 244/80 (6) · USPC 244/48 (5) · USPC 244/100R (4) · USPC 244/13 (4) · FR 6.3 (4)
IPCs:
None (170) · IPC B64C1/00 (54) · IPC B64C17/00 (47) · IPC B64C39/00 (37) · IPC B64B1/00 (20) · IPC B64C11/00 (13) · IPC B64B1/58 (13) · IPC B64C25/00 (12) · IPC B64C17/06 (12) · IPC B64C3/00 (10) · IPC B64C33/02 (9) · IPC B64C13/00 (8) · IPC B64C23/00 (7) · IPC B64C3/38 (7) · IPC B64C11/04 (6) · IPC B64C11/16 (5) · IPC B64C35/00 (5) · CPC B64C17/00 (5)
CPCs:
CPC B64C17/00 (68) · None (33) · CPC B64C2700/6295 (33) · CPC B64C2700/6218 (28) · CPC B64B1/00 (27) · CPC B64C39/00 (24) · CPC B64C13/00 (22) · CPC B64C33/02 (17) · CPC B64C17/06 (14) · CPC B64C23/005 (14) · CPC B64B1/58 (13) · CPC B64C2700/6216 (12) · CPC B64C11/006 (11) · CPC B64C3/00 (10) · CPC B64C2700/6212 (10) · CPC B64F2700/6226 (9) · CPC B64B1/40 (8) · CPC B64C25/06 (8) · CPC B64C3/385 (8)
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Citations from after 1930:
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