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Patents > Office : IT or Other or None & Inventor country : FR or HU or RO & National tech categories : HU V/h or USPC 244/80

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Office: (Click arrow to add another value)
Inventors:
None (12) · Antoine-Padoue Filippi (4) · Oszkár Asbóth (4) · Dőry Béla Jobaházi (4) · Árpád Zigány (3) · Eduard Penkala (3)
Inventor country: (Click arrow to add another value)
Applicant person:
None (14) · Dőry Béla Jobaházi (4) · Oszkár Asbóth (4) · Antoine-Padoue Filippi (3) · Árpád Zigány (3) · Eduard Penkala (3)
Applicant is inventor:
Tech fields:
airplane (82) · Propellers (48) · Design (48) · subsystem (35) · stability (31) · wings (25) · construction (25) · propulsion (24) · automatic stability (21) · frame (21) · aerodynamics (21) · Airship (19) · whole (19) · lift (14) · LTA (13) · Helicopter (12) · control (12) · Steering (11) · Dirigibles (9) · equilibrium (8)
Full specification filed date:
Application number:
None (30) · 55432 (2)
Granted:
Supplementary to patent:
None (118) · Patent FR-1909-403985 (2) · Patent FR-1909-399456 (2)
Related to aircraft:
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National tech categories: (Click arrow to add another value)
IPCs:
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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