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Patents > Granted: Yes & National tech categories : NL 62.15 or USPC 244/22

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Office:
Inventors:
Floris Albert van Heyst (3) · Nicolaas Everhard Groeneveld Meyer (2) · Bartholomew Connolly (2) · Julius Uherkovich de Uherkócz (2) · Charles I MATSON (2) · Ruter William Springer (2) · Frederick William Brearey (2)
Inventor country:
Applicant person:
None (5) · Floris Albert van Heyst (3) · MATSON Charles I (2) · Nicolaas Everhard Groeneveld Meyer (2) · Julius Uherkovich de Uherkócz (2) · Bartholomew Connolly (2) · Dr. Cornelis Schoute (2) · Ruter William Springer (2)
Applicant type:
Applicant is inventor:
Tech fields:
flapping (25) · frame (21) · None (19) · propulsion (19) · ornithopter (19) · propeller (11) · navigation (10) · airplane (9) · rudder (7) · hybrid (7) · parachute (6) · wings (6) · subsystem (5) · stability (5) · airfoil (5) · aerodrome (5) · wheels (4) · takeoff (4) · car (4) · landing (4)
Full specification filed date:
Application number:
None (8)
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Citations from after 1930:
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Showing below up to 79 results in range #1 to #79.

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