Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : AH or BE or NL or NZ or Other & Inventor country: US & Related to aircraft : 1? or None

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Tech fields:
None (432) · airplane (23) · stability (13) · frame (10) · navigation (10) · LTA (7) · propulsion (6) · propeller (5) · kite (5) · control (5) · steering (4) · wings (4) · airfoil (4) · Propellers (3) · electricity (3) · helicopter (3) · safety (3)
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National tech categories:
None (451) · USPC 244/80 (6) · USPC 244/153R (4) · USPC 244/78.1 (2) · USPC 244/149 (2) · USPC 244/233 (2) · USPC 244/22 (2)
CPCs:
CPC B64C2700/6295 (46) · CPC B64C17/00 (27) · CPC B64B1/00 (25) · CPC B64C23/005 (23) · CPC B64C11/006 (21) · CPC B64C13/00 (21) · CPC B64C25/60 (21) · None (19) · CPC B64C33/02 (15) · 1 (13) · CPC B64C11/36 (13) · CPC B62C5/04 (13) · CPC B64C39/00 (12) · CPC B64C35/00 (12) · CPC B64C3/385 (11) · CPC B64B1/40 (10) · CPC F16F9/06 (8) · CPC B64C11/00 (8) · CPC B64C2700/6218 (8) · CPC Y10T74/20 (7)
First filing:
Citations from after 1930:

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