Patents by Inventor Lawrence E. Kniepkamp

Lawrence E. Kniepkamp 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).

  • Autopurge printing system
    Patent number: 7118189
    Abstract: A system, including an ink supply system configured to supply ink to a printhead; and an autopurge unit configured to automatically clean the printhead. The autopurge unit includes a solvent supply in fluid communication with a solvent line, a solenoid housing, and a waste container. The solenoid housing includes a first solenoid assembly disposed within an ink line, wherein the ink line is in fluid communication with the ink supply and a first outlet that is configured to be in fluid communication with the printhead; and a second solenoid assembly disposed within a solvent line. The waste container is in fluid communication with a waste delivery line having a waste inlet. The waste inlet is configured to be in fluid communication with a waste line that is in communication with the printhead so that fluid waste from the printhead is deposited into the waste container.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: October 10, 2006
    Assignee: Videojet Technologies Inc.
    Inventors: Kevin W. Kuester, Lawrence E. Kniepkamp, Terry Voss, Jack Heller