Drilldown: Patents

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Patents > Related to aircraft: Yes & IPCs : IPC A63H27/00 or IPC B64C35/00

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Hydroplane (22) · airplane (20) · design (19) · landing (13) · frame (13) · hydroaeroplane (10) · fuselage (6) · chassis (6) · aerodynamics (5) · takeoff (5) · stability (5) · propellers (5) · hybrid (4) · wings (4) · Control (4) · amerrissage (4) · Rudder (4)
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None (3)
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