Patents by Inventor Volker Bergen

Volker Bergen 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 guide in a feeder of a sheet-fed printing press
    Patent number: 5697298
    Abstract: A sheet guide in a feeder of a sheet-fed printing press has lateral guide plates for upper sheets of a sheet pile for laterally aligning the upper sheets with one sheet edge, and at least one deformable leaf spring located at a side of the sheet pile opposite to the side thereof at which the aligned sheet edge is disposed and acting by spring force against the upper sheets transversely to a sheet-feeding direction of the upper sheets of the sheet pile, the leaf spring being re-deformable counter to the spring force to behind a surface of the guide plate.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: December 16, 1997
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Martin Greive, Volker Bergen
  • Device for supplying printing plates in a printing machine
    Patent number: 5619926
    Abstract: The device for supplying printing plates to plate cylinders of printing machines includes elements for holding and for guiding printing plates. The plates can thereby be supplied to at least two different plate cylinders. The plate-holding assembly can thereby be pivoted into at least two different plate changing positions for feeding (and removing) printing printing plates at at least two printing units.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: April 15, 1997
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Rudiger Engelmann, Hans-Jurgen Kusch, Paul Nicola, Peter Marten, Rudi Stellberger, Volker Bergen, Bernd Ruf