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Patents > IPCs : IPC B64C11/00 or IPC B64C33/00 & Number of figures: 6-9

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Office:
Inventors:
Jan Jaakson (3) · Franz Xaver Wels (2) · Alfred E. Wunderlich (2) · Hermann Ruthenberg (2) · Heinrich Hildebrand (2)
Inventor country:
Applicant person:
Jan Jaakson (3) · None (2) · Hermann Ruthenberg (2) · Alfred E. Wunderlich (2) · Heinrich Hildebrand (2) · Franz Xaver Wels (2)
Applicant type:
Applicant is inventor:
Tech fields:
Propulsion (16) · flapping (15) · airplane (10) · propellers (10) · ornithopter (10) · design (10) · wings (8) · navigation (7) · frame (7) · None (7) · stability (5) · aerodynamics (5) · propeller (4) · Airship (4) · marine (4) · human-powered (4) · HTA (4)
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Application number:
None (4)
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Related to aircraft:
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First filing:
Citations from after 1930:
Number of diagram pages:
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Showing below up to 63 results in range #1 to #63.

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