Drilldown: Patents

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Patents > Related to aircraft: Yes & CPCs : CPC A44B13/0011 or CPC B64C2700/6274

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Airplane (25) · design (14) · Hybrid (13) · propellers (13) · Helicopter (13) · propulsion (12) · Ascension (10) · Control (9) · construction (8) · Lift (8) · None (8) · Frame (7) · sustentation (7) · wings (6) · Parachutes (5) · aerodynamics (5) · propeller (4) · descent (4) · heavier-than-air (4)
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Showing below up to 45 results in range #1 to #45.

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