Patents by Inventor Herwig. J. Schwarz

Herwig. J. Schwarz 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).

  • Sound insulating material
    Patent number: 4374172
    Abstract: The invention relates to a sound damping material in the shape of foils or strips comprising open-pored foam material impregnated with different quantities of a viscoelastic compound, which is intended for application to attenuated structures, particularly automobile body panels.
    Type: Grant
    Filed: August 29, 1980
    Date of Patent: February 15, 1983
    Assignee: Teroson GmbH
    Inventors: Herwig. J. Schwarz, Hans-Jurgen H. Burde, Gunter Minet