Drilldown: Patents

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Patents > Inventor country: HU & Applicant firm: None & Number of claims: 1-2

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Inventors:
Eduard Penkala (5) · Viktor Tarczal (4) · Stefan Hunyor de Visoly (4) · Emanuel Kalisch (3) · Heinrich Bier (3) · Oszkár Asbóth (3) · Rudolf Penkala (3) · Alexandre Temesvary (2) · József Marek (2) · Alfréd Budai (2) · Josef Simkó (2) · Josef Marek (2) · Emil Schimanek (2) · Edmund Roheim (2) · Sándor Temesváry (2)
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Applicant person:
Eduard Penkala (5) · József Marek (4) · Viktor Tarczal (4) · Sándor Temesváry (4) · Heinrich Bier (3) · Emanuel Kalisch (3) · Rudolf Penkala (3) · Oszkár Asbóth (2) · Josef Simkó (2) · Dr. Hunyor István Visolyi (2) · Edmund Roheim (2) · Alfréd Budai (2) · Stefan Hunyor de Visoly (2)
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Tech fields:
airplane (28) · propellers (18) · stability (14) · wings (13) · design (13) · subsystem (12) · lift (12) · Propulsion (11) · automatic stability (10) · Construction (8) · frame (8) · helicopter (7) · aerodynamics (7) · control (6) · airship (6) · Whole (5) · steering (5) · biplane (5)
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Citations from after 1930:
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