Patents by Inventor Matthias Friedli

Matthias Friedli 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).

  • Patent number: 6142022
    Abstract: A test body is compressed a reference measure in the wear test on compression pincers. The test body is compressed preferably between two compression jaws. The test body is a bolt which is compressed to become flat, with at least one volumetric measure, preferably a thickness measure, of the compressed bolt serving as the reference measure of the prevailing test force. The process facilitates simple and dependable wear testing, even at building sites.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: November 7, 2000
    Assignee: Geberit Technik AG
    Inventors: Urs Ruegg, Matthias Friedli