Patents by Inventor Walter Heidenreich

Walter Heidenreich 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).

  • Patent number: 5124745
    Abstract: In the context of a device for the production of printing plates comprising a printing down station with a plate table and an associated illuminating means, which station has associated with it a foil receiving means formed preferably by a foil cassette for unprinted foil and preferably a receiving cassette for printed foil, in the case of which the foil to be printed onto an unexposed or blank printing plate is able to be taken from a foil receiving means by means of a moving vacuum frame, is able to be moved onto the blank plate on the plate table and after exposure is able to be discharged, preferably into a receiving cassette, a high rate of plate production and a smooth manner of operation without damaging the foils may be ensured if the foil conveying device has a plurality of vacuum frames moving in circuits which are out of phase with each other.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: June 23, 1992
    Assignee: Krause-Biagosch GmbH
    Inventors: Hermann Fischer, Walter Heidenreich