Patents by Inventor Werner Roner

Werner Roner 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).

  • Thermostatic expansible material-working element
    Patent number: 3968692
    Abstract: A thermostatic expansible material-working element with a housing filled with the material and a pin-shaped work piston which is pointed at one end. The work piston with its pointed end extends through an opening in the housing into the internal compartment thereof and upon thermal expansion of the expansible material such piston is displaced out of the housing. According to the invention the expansible material is a molded body predominantly formed of polytetrafluoroethylene, polytrifluoroethylene or polytetrafluoroethyleneperfluoropropylene.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: July 13, 1976
    Assignee: Elektrowatt AG
    Inventors: Ernst Blattler, Werner Roner