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Patents > Application number: None & CPCs : CPC B64C13/00 or CPC B64C17/00 or CPC B64C35/00 or CPC B64C39/00

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Office:
Inventors:
None (10) · Anton Flettner (3) · Gustav Pieske (2) · Frédéric-Charles Rossel (2) · James Means (2) · Sam Leonard Walkden (2) · Alfredo Guillermo Leigh‎ (2)
Inventor country:
Applicant person:
None (19) · Anton Flettner (3) · Alfredo Guillermo Leigh (2) · James Means (2) · Sam Leonard Walkden (2) · Frédéric-Charles Rossel (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (54) · stability (41) · frame (22) · control (18) · navigation (18) · design (17) · automatic stability (13) · marine (11) · rudder (11) · None (10) · hydroaeroplane (10) · hybrid (8) · wheels (7) · subsystem (7) · steering (6) · aerodynamics (6) · safety (5) · propellers (5) · equilibrium (5) · Flugzeug (5)
Full specification filed date:
Application number: (Click arrow to add another value)
Granted:
Supplementary to patent:
None (72) · Patent FR-1909-399435 (2) · Patent GB-1909-8531 (2)
Related to aircraft:
Patent agent:
None (64) · Munn & Co. (5) · None (2) · E. Blétry (2) · Charles Assi (2) · Abel & Imray (2) · Victor J. Evans (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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