Drilldown: Patents

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Patents > Office : BE or GB or HU or US & Supplementary to patent: None & Related to aircraft : 0.5 or Jan 15, 1908 or mooring or None & Patent agent: None & IPCs : IPC B64C23/00 or None

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Tech fields:
None (1627) · military (23) · LTA (16) · projectile (16) · propulsion (14) · frame (12) · navigation (10) · airplane (10) · propeller (10) · stability (8) · kite (7) · marine (7) · propellers (5) · control (4) · safety (4) · fun (4) · balloon (4) · airfoil (3) · electricity (3)
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National tech categories:
None (1662) · USPC 244/3.23 (11) · USPC 244/153R (5) · USPC 244/3.3 (2) · USPC 416/128 (2) · USPC 416/113 (2) · USPC 244/3.1 (2) · USPC 244/3.24 (2) · USPC 244/3.28 (2) · USPC 244/155R (2) · USPC 102/371 (2) · USPC 244/65 (2) · USPC 244/98 (2) · USPC 244/78.1 (2)
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Citations from after 1930:

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