Patents by Inventor Ernst Gugerell

Ernst Gugerell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vehicle lighting device
    Patent number: 4811174
    Abstract: The invention is directed to a vehicle headlight including a projection lens secured by a covering disk. No diaphragm is interposed between light source and the projection lens. The lens having the shape of a flat sector of a cylinder with a cut-off apex. An inner lens surface having a uniform curvature and an outer lens surface having a toroidal curvature.
    Type: Grant
    Filed: December 2, 1986
    Date of Patent: March 7, 1989
    Assignee: Karl Zizala Metallwarenfabrik
    Inventors: Josef Kanzler, Alois Noisser, Gerald Bachtrod, Ernst Gugerell