Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Related to aircraft : 0? or Yes & IPCs: None & Number of figures: None

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Tech fields:
None (463) · airplane (101) · stability (42) · propellers (40) · LTA (35) · Design (34) · frame (28) · wings (24) · hybrid (22) · propulsion (20) · navigation (17) · control (16) · construction (16) · automatic stability (16) · rudder (11) · aerodynamics (11) · equilibrium (10) · subsystem (10) · propeller (10)
Full specification filed date:
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Supplementary to patent:
None (594) · Patent BE-1909-214032 (11) · Patent US-1911-1003885 (2) · Patent FR-1913-468076 (2)
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National tech categories:
BE K (84) · None (70) · USPC 244/90R (31) · USPC 244/233 (18) · USPC 244/48 (17) · USPC 244/22 (16) · USPC 244/119 (16) · USPC 244/45R (15) · HU V/h (15) · USPC 244/100R (13) · USPC 244/87 (12) · USPC 244/91 (11) · USPC 244/104R (11) · USPC 244/80 (10) · USPC 244/139 (9) · USPC 244/65 (9) · USPC 244/13 (9) · USPC 244/93 (9)
IPCs: (Click arrow to add another value)
CPCs:
None (150) · CPC B64C2700/6295 (63) · CPC B64C13/00 (61) · CPC B64C17/00 (37) · CPC B64C3/385 (31) · CPC B64B1/00 (28) · CPC B64C23/005 (28) · CPC B64C3/14 (19) · CPC B64C33/02 (19) · CPC B64C13/24 (14) · CPC B64B1/40 (11) · CPC B64C39/005 (10) · CPC B64C9/00 (10) · CPC B64C29/0033 (9) · CPC B64C3/40 (8) · CPC B64C35/00 (8) · CPC B64C25/52 (7) · CPC Y10S244/903 (7) · CPC B64C3/48 (6) · CPC B64C29/0025 (6)
First filing:
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Citations from after 1930:
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