Drilldown: Patents

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Patents > Inventor country : FR or Poland & IPCs: IPC B64C27/04

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Office:
Inventors:
Édouard-Jean Bigourdan (5) · Alexis Beurrier (5) · Louis Lacoin (3) · Edmond-Louis Douhéret (3) · Paul Cornu (3) · Jules Cornu (3) · Désiré Sival (3) · Charles Wolf (2) · Jules Collomb (2) · Félix Monin (2)
Inventor country: (Click arrow to add another value)
Applicant person:
Alexis Beurrier (5) · Louis Lacoin (3) · Jules Cornu (3) · Édouard-Jean Bigourdan (3) · Edmond-Louis Douhéret (3) · Désiré Sival (3) · Félix Monin (2) · Paul Cornu (2) · Charles Wolf (2) · Jules Collomb (2)
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Applicant is inventor:
Tech fields:
helicopter (22) · propellers (13) · propulsion (11) · airplane (10) · Hybrid (10) · ascension (9) · design (7) · None (6) · Wings (5) · descent (4) · sustentation (4) · lift (3) · Frame (3) · heavier-than-air (3) · helicoplane (3) · construction (3) · parachutes (3)
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Cites these patents:
Citations from after 1930:
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Showing below up to 51 results in range #1 to #51.

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