Patents by Inventor Erik Zeller

Erik Zeller 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).

  • Apparatus for processing sheet-metal workpieces
    Patent number: 10654089
    Abstract: Apparatus for processing a sheet-metal workpiece includes a press tool including a bottom die and top die. A press includes a platen which receives the bottom die, and a ram which receives the top die. The press tool is protected by a protective system which detects an idle stroke and includes an adjustable spacer assembly to prevent collision between the top and bottom dies.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: May 19, 2020
    Assignee: Audi AG
    Inventors: Benedikt Krönauer, Robert Canti, Erik Zeller, Ludwig Schaller
  • APPARATUS FOR PROCESSING SHEET-METAL WORKPIECES
    Publication number: 20170252792
    Abstract: Apparatus for processing a sheet-metal workpiece includes a press tool including a bottom die and top die. A press includes a platen which receives the bottom die, and a ram which receives the top die. The press tool is protected by a protective system which detects an idle stroke and includes an adjustable spacer assembly to prevent collision between the top and bottom dies.
    Type: Application
    Filed: February 28, 2017
    Publication date: September 7, 2017
    Applicant: Audi AG
    Inventors: Benedikt Krönauer, Robert Canti, Erik Zeller, Ludwig Schaller