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

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Office: (Click arrow to add another value)
Inventors:
None (13) · 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 (15) · Dőry Béla Jobaházi (4) · Oszkár Asbóth (4) · Antoine-Padoue Filippi (3) · Árpád Zigány (3) · Eduard Penkala (3)
Applicant is inventor:
Tech fields:
airplane (81) · design (49) · propellers (47) · subsystem (34) · stability (31) · wings (26) · Construction (26) · Propulsion (24) · frame (22) · aerodynamics (21) · automatic stability (21) · airship (19) · whole (19) · Lift (14) · LTA (13) · control (12) · Helicopter (12) · steering (11) · dirigibles (9) · flapping (9)
Full specification filed date:
Application number:
None (29) · 55432 (2)
Granted:
Supplementary to patent:
None (118) · Patent FR-1909-403985 (2) · Patent FR-1909-399456 (2)
Related to aircraft:
Assigned to:
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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