Patents by Inventor Norbert Quenzel

Norbert Quenzel 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).

  • Sheet punching and embossing machine
    Patent number: 7329220
    Abstract: A sheet punching and embossing machine includes a device for punching blanks from sheets. The device has a frame and a bearing plate is mountable in the frame. The bearing plate is equipped with punching and grooving knives. Hydraulically activated clamping elements are provided for clamping the bearing plate in the frame. A hydraulic system includes a piston braced by a mechanical spring for building up hydraulic pressure for activating the clamping elements.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: February 12, 2008
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Günther Bayer, Rudolf Erich, Norbert Quenzel
  • Sheet punching and embossing machine
    Publication number: 20040123748
    Abstract: A sheet punching and embossing machine includes a device for punching blanks from sheets. The device has a frame and a bearing plate is mountable in the frame. The bearing plate is equipped with punching and grooving knives. Hydraulically activated clamping elements are provided for clamping the bearing plate in the frame. A hydraulic system includes a piston braced by a mechanical spring for building up hydraulic pressure for activating the clamping elements.
    Type: Application
    Filed: November 5, 2003
    Publication date: July 1, 2004
    Inventors: Gunther Bayer, Rudolf Erich, Norbert Quenzel