Patents by Inventor Andre PREETZ

Andre PREETZ 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).

  • Publication number: 20220402080
    Abstract: A device for positioning at least two joining parts during a welding process includes a support element. The support element has a surface on which for the joining parts are positioned, a recess under the joining parts when a joining region of the joining parts are on the surface, and a fluid connection for supplying a fluid to the recess. When fluid in the recess is pressurized, during a welding process to connect the joining parts a weld melt is supported by the positive pressure.
    Type: Application
    Filed: November 17, 2020
    Publication date: December 22, 2022
    Inventors: Stefan BECK, Hans-Juergen DROTLEFF, Andre PREETZ, Alfred SCHERZ