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Patents > Year filed: 1912 & National tech categories : CH 129b or HU V/h

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Inventors:
None (7) · Carl Franz Hubert Hertel (4) · Carl Wilhelm Paul (4) · Dőry Béla Jobaházi (2) · Hanns Pippart (2) · Árpád Zigány (2) · Heinrich Noll (2) · Adolf Freiherr Odkolek von Augezd (2) · Georges de Bothezat (2) · Johann Schütte (2)
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None (9) · Carl Franz Hubert Hertel (4) · Carl Wilhelm Paul (4) · Dőry Béla Jobaházi (2) · Adolf Freiherr Odkolek von Augezd (2) · Hanns Pippart (2) · Heinrich Noll (2) · Árpád Zigány (2) · Johann Schütte (2) · Georges de Bothezat (2)
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Tech fields:
Airplane (30) · Construction (15) · Design (15) · Frame (14) · Propellers (11) · Stability (9) · Airship (8) · Aerodynamics (8) · Wings (7) · automatic stability (6) · Chassis (5) · Fuselage (5) · Propulsion (4) · flapping (4) · lift (3) · whole (3) · gliders (3) · Human-powered (3)
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None (12)
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