Drilldown: Patents

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

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Office: (Click arrow to add another value)
Inventors:
None (9) · Eduard Penkala (3) · Oszkár Asbóth (3) · Viktor Tarczal (2) · Dőry Béla Jobaházi (2) · Mihály Székely (2) · Stefan Hunyor de Visoly (2) · Nazaire Lacrotte (2) · Pál Kazvinczky (2) · József Bucher (2) · Antoine-Padoue Filippi (2) · Rudolf Penkala (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (10) · Eduard Penkala (3) · Oszkár Asbóth (3) · Dőry Béla Jobaházi (2) · József Bucher (2) · Mihály Székely (2) · Dr. Hunyor István Visolyi (2) · Pál Kazvinczky (2) · Nazaire Lacrotte (2) · Rudolf Penkala (2) · Viktor Tarczal (2)
Applicant is inventor:
Tech fields:
airplane (48) · Propellers (33) · design (29) · Subsystem (23) · propulsion (16) · Frame (15) · Construction (15) · aerodynamics (14) · stability (14) · wings (14) · Whole (12) · Airship (12) · lift (8) · automatic stability (8) · helicopter (7) · LTA (7) · control (7) · steering (6)
Full specification filed date:
Application number:
None (13)
Granted:
Related to aircraft:
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CPCs:
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Cites these patents:
Citations from after 1930:
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