Drilldown: Patents

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Patents > Related to aircraft : 0? or 1911-07-04 or Yes & CPCs: CPC B64C33/00

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Office:
Inventors:
Franz Xaver Wels (3) · Richard A. Engler (2)
Inventor country:
Applicant person:
None (12) · Franz Xaver Wels (3) · Richard A. Engler (2)
Applicant type:
Applicant is inventor:
Tech fields:
flapping (24) · None (16) · frame (15) · wings (14) · propulsion (12) · airplane (12) · hybrid (10) · design (10) · stability (9) · ornithopter (9) · human-powered (6) · navigation (6) · rudder (5) · propeller (5) · takeoff (5) · HTA (5) · control (5) · lift (5)
Full specification filed date:
Application number:
None (10)
Granted:
Related to aircraft: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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

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