Drilldown: Patents

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Patents > Applicant firm: None & Related to aircraft : .5 or Jan 15, 1908 or Yes & IPCs : IPC B64C27/04 or IPC B64C31/00 & Cites these patents: None

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Inventors:
Edmond-Louis Douhéret (3) · Désiré Sival (2) · Ferdinand Lischtiak (2) · Émile Dupont (2) · Charles Wolf (2) · Jules Collomb (2)
Inventor country:
Applicant person:
None (6) · Edmond-Louis Douhéret (3) · Désiré Sival (2) · Émile Dupont (2) · Charles Wolf (2) · Jules Collomb (2)
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Tech fields:
helicopter (21) · propulsion (13) · propellers (13) · Airplane (12) · hybrid (11) · ascension (10) · frame (10) · kite (9) · design (8) · wings (5) · sustentation (4) · heavier-than-air (4) · stability (4) · fun (4) · lift (3) · control (3) · landing (3) · construction (3) · Wheels (3) · helicoplane (3)
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