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Patents > IPCs : IPC B64C11/34 or IPC B64C27/04 & Cites these patents: None

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Office:
Inventors:
Alexis Beurrier (5) · Édouard-Jean Bigourdan (5) · None (4) · Louis Lacoin (3) · Désiré Sival (3) · Paul Cornu (3) · Jules Cornu (3) · Edmond-Louis Douhéret (3) · Jesse James Dillon (2) · Jules Collomb (2) · Edwin Richard Mumford (2) · Stephane Drzewiecki (2) · Émile Dupont (2) · Charles Wolf (2) · Félix Monin (2)
Inventor country:
Applicant person:
None (6) · Alexis Beurrier (5) · Louis Lacoin (3) · Edmond-Louis Douhéret (3) · Édouard-Jean Bigourdan (3) · Jules Cornu (3) · Désiré Sival (3) · Jules Collomb (2) · Félix Monin (2) · Émile Dupont (2) · Charles Wolf (2) · Jesse James Dillon (2) · Paul Cornu (2) · Edwin Richard Mumford (2)
Applicant is inventor:
Tech fields:
helicopter (49) · propellers (25) · propulsion (23) · airplane (20) · None (19) · hybrid (18) · Ascension (14) · design (10) · propeller (9) · heavier-than-air (7) · lift (7) · stability (6) · Frame (6) · wings (5) · sustentation (5) · Control (5)
Full specification filed date:
Application number:
None (8)
Granted:
Related to aircraft:
Patent agent:
None (33) · None (8) · Armengaud jeune (6) · J. Germain (5) · Marks & Clerk (4) · Lavoix et Moses (3) · Brandon frères (3) · Browne & Co. (3) · J. S. Withers & Spooner (3) · Y. Rabilloud et fils (3) · C. Blétry (2) · Schwab (2) · J. Fayollet (2) · G. Petiau (2) · G. F. Redfern & Co. (2) · G. de Mestral et F. Harlé (2)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
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