Patents by Inventor Markus Datwyler

Markus Datwyler 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: 6109183
    Abstract: A measuring field block for detecting quality data in the multicolor printing of single editions, which measuring fields (A1-D3) printed on a printed product in an optically scannable manner with at least one color-measuring surface (F) for determining a color density, a surface coverage or a tristimulus value for each of the measuring fields (A1-D3), is characterized in that the measuring field block has lines (L) for primary colors used in the print for the simultaneous determination of values for a register deviation.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: August 29, 2000
    Assignee: Maschinenfabrik Wifag
    Inventors: Stephan Papritz, Karl Heuberger, Hansjorg Kunzli, Markus Datwyler