Patent BE-1912-250417

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(This is a monoplane, using a propeller nearly exclusively, or exclusively, for the maintenance of altitude, while using gravity, with a center of gravity situated slightly forward of the central pressure point of the fixed wings, as an exclusive means of forward propulsion, in the manner of a glider. Albeit that the British patent was the last filed, of those we have on hand it is the most thoroughly fleshed out, and inclusive of diagrams.)

  • Inventor location: 137 ave de la Couronne, Ixelles, to the immediate south of Brussels, Belgium; 71 rue de l'Orme, Brussels, Belgium
  • Inventor occupation: Engineer
  • Patent agent location: 3 ave des Arts, Brussels, Belgium
Patent family descending from Patent BE-1912-250417
  • Patent BE-1912-250417 (English title: Airplane (monoplane-hybrid) using weight distribution for forwards thrust, and a propeller for elevation)
  • Patent BE-1913-250417.258001 (English title: "Airplane" suggestive of helicopter in which lift is facilitated by way of a horizontal propeller using gravity in favor of forward momentum, Supplementary to patent: Patent BE-1912-250417)
Year filed 1912
Year granted 1912
Office BE
Patent number 250417
Inventors Henry Félix Villard
Inventor country BE
Applicant person Henry Félix Villard
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title
English title Airplane (monoplane-hybrid) using weight distribution for forwards thrust, and a propeller for elevation
Tech fields Airplane, construction, frame, propellers, wings, propulsion, hybrid, monoplane, lift
Filing date October 28, 1912
Full specification filed date
Application number
Grant date November 15, 1912
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent A. Wunderlich & Cie, Ingénieurs-Conseils
Assigned to
National tech categories BE K
Family year 1912
First filing? No
Number of citations
Cited by
Application ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims