Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : BE or NL or NO or Other & Related to aircraft: None & IPCs: None

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Tech fields:
None (805) · airplane (27) · frame (17) · Stability (14) · propulsion (10) · propellers (10) · LTA (8) · Wings (8) · propeller (7) · kite (7) · navigation (6) · safety (6) · aerodynamics (6) · hydrodynamics (5) · construction (5) · helicopter (5) · Subsystem (5) · rudder (5)
Full specification filed date:
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Supplementary to patent:
None (864) · 1 (4) · Patent FR-1911-430455 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (852) · 1 (4) · 1912-01-09 (2) · 1911-02-28 (2) · Boult, Wade & Tennant (2) · 1911-05-30 (2) · E. Blétry (2)
National tech categories:
None (836) · USPC 244/153R (4) · FR 6.4 (4) · DK 65 (3) · USPC 244/149 (3) · USPC 244/80 (3) · HU V/h (2) · USPC 244/123.1 (2) · USPC 244/35R (2) · USPC 244/78.1 (2) · USPC 244/144 (2) · AT 77d (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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