Drilldown: Patents

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Patents > IPCs : IPC B64C11/00 or IPC F16F9/40 or None & CPCs : CPC B64C13/00 or CPC B64C23/005 & Number of claims: None

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None (323) · airplane (14) · stability (11) · frame (9) · navigation (9) · rudder (7) · helicopter (6) · propeller (5) · control (5) · propulsion (4) · parachute (4) · hybrid (4) · wheels (3) · takeoff (3) · propellers (3) · wings (3) · automatic stability (3) · airfoil (3) · lift (2)
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None (217) · USPC 244/90R (14) · USPC 244/6 (10) · USPC 244/233 (9) · USPC 244/87 (6) · USPC 244/78.1 (6) · USPC 244/225 (5) · USPC 244/82 (5) · FR 6.4 (5) · USPC 244/80 (4) · USPC 244/66 (4) · USPC 244/48 (4) · USPC 244/234 (4) · USPC 244/232 (4) · USPC 244/100R (4) · USPC 244/104R (4) · USPC 244/119 (4) · USPC 244/12.1 (3) · USPC 244/231 (3) · USPC 244/60 (3)
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