Patents by Inventor Rene Lorenz

Rene Lorenz 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).

  • Method of forming a formlocking connection of two telescopic tubes and a formlocking connection formed thereby
    Patent number: 6039502
    Abstract: A method of forming a formlocking connection of two telescopic tubes and including providing in one of the two tubes at two diametrically opposite locations, elongate cut-outs, with the cut-outs having their respective end sides limited by at least one web, providing in another one of the two tubes, at two diametrically opposite locations, longitudinally extending strips extending from an end surface of the another one of the two tubes, inserting into the elongate cut-outs of the one of the two tubes, a forming tool, and thereafter, telescopically connecting the two tubes and pushing the two tubes toward each other so that the strips are pressed against the forming tool which causes the strips to roll over the webs, and a formlocking connection obtained by this method.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: March 21, 2000
    Assignee: Etablissement Supervis
    Inventors: Dominik Naff, Rene Lorenz