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Patents > Year filed: 1910 - 1919 & IPCs : IPC B64C27/04 or IPC B64C29/00

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Office:
Inventors:
James Robertson Porter (5) · Édouard-Jean Bigourdan (5) · Alexis Beurrier (5) · None (4) · Louis Lacoin (3) · Giulio Silvestri (2) · Edmond-Louis Douhéret (2) · Jesse James Dillon (2)
Inventor country:
Applicant person:
None (5) · Alexis Beurrier (5) · James Robertson Porter (5) · Louis Lacoin (3) · Édouard-Jean Bigourdan (3) · Edmond-Louis Douhéret (2) · Giulio Silvestri (2) · Jesse James Dillon (2)
Applicant type:
Applicant is inventor:
Tech fields:
helicopter (28) · None (14) · propellers (14) · Ascension (13) · hybrid (13) · Airplane (12) · Propulsion (11) · Design (9) · sustentation (7) · Construction (6) · VTOL (5) · stability (5) · Frame (5) · gyroscope (5) · heavier-than-air (5) · lift (5) · HTA (4)
Full specification filed date:
Application number:
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (13) · None (5) · J. S. Withers & Spooner (3) · Arthur E. Edwards (3) · G. Petiau (2) · Marks & Clerk (2) · Hippolyte Josse (2) · J. Fayollet (2) · Browne & Co. (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 67 results in range #1 to #67.

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