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Patents > National tech categories : HU V/h or USPC 343/708 & First filing: Yes

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Office:
Inventors:
Dőry Béla Jobaházi (4) · None (3) · Árpád Zigány (3) · Eduard Penkala (3) · József Marek (2) · Stefan Hunyor de Visoly (2) · Sándor Temesváry (2) · Ernő Bajtay (2) · Rudolf Penkala (2)
Inventor country:
Applicant person:
Dőry Béla Jobaházi (4) · None (3) · Árpád Zigány (3) · Eduard Penkala (3) · Ernő Bajtay (2) · Sándor Temesváry (2) · József Marek (2) · Rudolf Penkala (2) · Dr. Hunyor István Visolyi (2)
Applicant type:
Applicant is inventor:
Tech fields:
Airplane (45) · Design (31) · Propellers (25) · Subsystem (22) · Wings (19) · Whole (17) · Stability (17) · Propulsion (16) · Aerodynamics (14) · lift (13) · Construction (11) · frame (11) · Airship (10) · automatic stability (10) · helicopter (9) · Steering (9) · flapping (7) · Control (7) · hybrid (5)
Full specification filed date:
Application number:
None (16)
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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 84 results in range #1 to #84.

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