Drilldown: Patents

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Patents > National tech categories: None & First filing: No & Number of claims: 10-18

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Office:
Inventors:
Everard Richard Calthrop (3) · Orville Wright (2) · Wilbur Wright (2) · Edward Eugene Brown (2)
Inventor country:
Applicant person:
None (6) · Everard Richard Calthrop (3) · Edward Eugene Brown (2)
Applicant is inventor:
Tech fields:
airplane (11) · stability (8) · Propulsion (6) · frame (5) · navigation (5) · gyroscope (4) · hybrid (4) · marine (4) · None (4) · Design (4) · propeller (4) · automatic stability (4) · Propellers (4) · airfoil (4) · LTA (3) · lift (3) · helicopter (3) · parachutes (3) · wings (3) · electricity (3)
Full specification filed date:
Granted:
Publication date:
Supplementary to patent:
None (12) · Patent US-1914-1368226 (2) · Patent GB-1913-2294 (2)
Related to aircraft:
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First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
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Showing below up to 43 results in range #1 to #43.

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