Patents by Inventor Helmut Wirth

Helmut Wirth 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).

  • Sheath for light waveguides
    Patent number: 4610505
    Abstract: A sheath for light waveguides. The sheath consists of a tube loosely surrounding one or more light waveguides. In a neutral bending plane, longitudinal elements are provided for absorbing tensile and compressive forces. The coefficient of expansion of the longitudinal elements corresponds to that of the light waveguides. The longitudinal elements are form-coupled and force-coupled to the tube.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: September 9, 1986
    Assignee: U.S. Philips Corporation
    Inventors: Johann A. Becker, Helmut Wirth, Werner Zell