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Patents > IPCs : IPC B64B1/40 or IPC B64C27/04 & Number of claims: 3-40

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Office:
Inventors:
Everard Richard Calthrop (3) · None (2) · Alfred Arnold Remington (2) · Édouard-Jean Bigourdan (2) · William Randolph Smith (2) · Alexis Beurrier (2)
Inventor country:
Applicant person:
None (5) · Everard Richard Calthrop (3) · Alfred Arnold Remington (2) · Édouard-Jean Bigourdan (2) · William Randolph Smith (2) · Alexis Beurrier (2)
Applicant is inventor:
Tech fields:
helicopter (20) · LTA (15) · propulsion (13) · stability (10) · None (9) · airplane (9) · hybrid (7) · design (7) · navigation (6) · propellers (5) · Lift (5) · control (5) · propeller (5) · balloon (5) · ascension (5) · Airship (5)
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None (8)
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Cites these patents:
Citations from after 1930:
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Showing below up to 65 results in range #1 to #65.

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