Drilldown: Patents

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Patents > First filing: No & Number of claims: 3-7 & Number of figures: 12-14

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Office:
Inventors:
Edmund Sparmann (5) · None (4) · Bert Hinkler (2) · Maurice Léger (2) · Adolphe-François-Joseph Doutre (2)
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Applicant is inventor:
Tech fields:
airplane (24) · stability (12) · wings (12) · frame (11) · construction (10) · design (9) · LTA (6) · navigation (6) · subsystem (6) · propulsion (5) · gyroscope (5) · rudder (5) · control (5) · propellers (4) · helicopter (4) · None (4) · biplane (4) · cardan (4)
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Citations from after 1930:
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Showing below up to 47 results in range #1 to #47.

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