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Patents > Office : IT or Other or None & Inventor country : FR or HU & National tech categories : HU V/h or USPC 244/80 & Number of claims: 1-2

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Office: (Click arrow to add another value)
Inventors:
None (6) · Eduard Penkala (3) · Rudolf Penkala (2) · József Marek (2) · Jean Georges Ramel (2) · Sándor Temesváry (2) · Stefan Hunyor de Visoly (2) · Viktor Tarczal (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (7) · Eduard Penkala (3) · Jean Georges Ramel (2) · Sándor Temesváry (2) · Rudolf Penkala (2) · József Marek (2) · Dr. Hunyor István Visolyi (2) · Viktor Tarczal (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (27) · Propellers (15) · design (14) · subsystem (14) · Stability (11) · Wings (9) · automatic stability (9) · Aerodynamics (8) · propulsion (7) · frame (7) · construction (7) · control (6) · whole (6) · airship (6) · Helicopter (5) · lift (4) · sustentation (4)
Full specification filed date:
Application number:
None (11)
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Related to aircraft:
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CPCs:
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Cites these patents:
Citations from after 1930:
Number of text pages:
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