Patents by Inventor Peter Krischke

Peter Krischke 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).

  • Mosaic printing head
    Patent number: 4009772
    Abstract: In a mosaic printing head for applying lettering by means of needles which are ejected as the head is passed over a sheet of paper, the needles are accommodated in a tubular column of bearing metal. Near one end, the tube is formed with a transverse wall containing a circular arrangement of guide holes for the needles, each guide hole being slightly inclined towards the tube axis. The operative ends of the needles are arranged in a row and parallel to one another with the aid of an orifice member provided for the tube.
    Type: Grant
    Filed: August 19, 1974
    Date of Patent: March 1, 1977
    Assignee: Steinmetz Krischke Systemtechnik GmbH
    Inventors: Wolfgang Glaser, Peter Krischke, Walter Steinbach, Hans Joachim Steinmetz