Patents by Inventor Ulrike Weisbrodt

Ulrike Weisbrodt 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-fed printing machine and method of operation
    Patent number: 6685182
    Abstract: A sheet-fed printing machine having a feed system for feeding sheets from a sheet feeder to the sheet-fed printing machine, and an imaging device for setting an image on a printing plate disposed on the plate cylinder are provided. The feed system includes at least one oscillatingly moving pregripper and a drive device for the feed system, the pregripper being uncoupled from the drive device.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: February 3, 2004
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Christopher Berti, Bernd Herrmann, Kurt Lötsch, Arnd Schmidt, Ulrike Weisbrodt
  • Sheet-fed printing machine and method of operation
    Publication number: 20020007746
    Abstract: A sheet-fed printing machine having a feed system for feeding sheets from a sheet feeder to the sheet-fed printing machine, and an imaging device for setting an image on a printing plate disposed on the plate cylinder are provided. The feed system includes at least one oscillatingly moving pregripper and a drive device for the feed system, the pregripper being uncoupled from the drive device.
    Type: Application
    Filed: April 3, 2001
    Publication date: January 24, 2002
    Inventors: Christopher Berti, Bernd Herrmann, Kurt Lotsch, Arnd Schmidt, Ulrike Weisbrodt
  • Form cylinder having a gap closed by a cover element having a roller mounted thereon
    Patent number: 5809881
    Abstract: A printing-machine form cylinder having, in an interior space thereof, a winding reel and an unwinding reel for a printing film drawn around the outer casing surface of the form cylinder, respective ends of the printing film being fastened to the winding reel and the unwinding reel inside the form cylinder, the form cylinder being formed with a cylinder gap extending in the direction of a generatrix of the outer casing surface of the form cylinder, the cylinder gap being defined by cylinder gap edges which are formed on the form cylinder and around which the printing film is guidable into the interior of the form cylinder, includes a cover element closing the form cylinder gap, and at least one pressure roller disposed on the cover element and bearing against the printing film for guiding it out of the interior of the form cylinder over one of the cylinder gap edges.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: September 22, 1998
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Jurgen Deschner, Ulrike Weisbrodt