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Patents > Filing date: 1910 - 1919 & IPCs : IPC B64C27/04 or IPC B64C27/28

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Office:
Inventors:
Édouard-Jean Bigourdan (5) · Alexis Beurrier (5) · Edmond-Louis Douhéret (3) · Louis Lacoin (3) · None (2) · Pieter Barteld Van Leggelo (2) · Niels Waltersen Aasen (2) · Jesse James Dillon (2) · Elisha Depoy Appley (2) · Jacob Christian Hansen-Ellehammer (2)
Inventor country:
Applicant person:
Alexis Beurrier (5) · Édouard-Jean Bigourdan (3) · Louis Lacoin (3) · Edmond-Louis Douhéret (3) · Jacob Christian Hansen-Ellehammer (2) · Niels Waltersen Aasen (2) · Elisha Depoy Appley (2) · Pieter Barteld Van Leggelo (2) · Jesse James Dillon (2)
Applicant type:
Applicant is inventor:
Tech fields:
helicopter (30) · hybrid (12) · propellers (10) · propulsion (9) · Design (8) · None (8) · airplane (8) · ascension (8) · frame (6) · heavier-than-air (5) · Construction (4) · stability (3) · sustentation (3) · lift (3) · propeller (3) · wheels (3) · gyroscope (3) · helicoplane (3) · control (3)
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Application number:
None (2)
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Publication date:
Related to aircraft:
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IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
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Showing below up to 56 results in range #1 to #56.

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