Patents by Inventor Detlef Hempel

Detlef Hempel 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).

  • Gathering-stitching machine having a guide element in the stitching region
    Patent number: 6866257
    Abstract: A stitching device includes at least one stitching station having an inlet region and an outlet region, and a transport device for conveying a plurality of folded signatures to the stitching station through the inlet region for stitching the plurality of folded signatures and for conveying the stitched plurality of folded signatures away from the stitching station through the outlet region, and further including a guide element for supporting the plurality of folded signatures during transport thereof through at least one of the inlet and the outlet regions; and a gathering-stitching device including the stitching device.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: March 15, 2005
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Torsten Brünner, Siegmar Tischer, Detlef Hempel, Steffen Hoffmann, Eberhard Reichardt, Thomas Wuttke
  • Gathering-stitching machine having a guide element in the stitching region
    Publication number: 20030001327
    Abstract: A stitching device includes at least one stitching station having an inlet region and an outlet region, and a transport device for conveying a plurality of folded signatures to the stitching station through the inlet region for stitching the plurality of folded signatures and for conveying the stitched plurality of folded signatures away from the stitching station through the outlet region, and further including a guide element for supporting the plurality of folded signatures during transport thereof through at least one of the inlet and the outlet regions; and a gathering-stitching device including the stitching device.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 2, 2003
    Inventors: Torsten Brunner, Siegmar Tischer, Detlef Hempel, Steffen Hoffmann, Eberhard Reichardt, Thomas Wuttke