Patents by Inventor Craig J. Shields

Craig J. Shields 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).

  • Publication number: 20110007109
    Abstract: The present disclosure is generally directed towards an apparatus for use in printing systems. The apparatus may include an ink filter having an ink chamber configured to allow ink to flow therethrough and a coolant chamber configured to allow coolant to flow therethrough. The coolant chamber may be further configured to cool ink in the ink chamber. Numerous other embodiments are also within the scope of the present disclosure.
    Type: Application
    Filed: July 10, 2009
    Publication date: January 13, 2011
    Inventors: Craig J. Shields, Gary W. Pritchard, Thomas F. Lewis, Thomas J. Kucklick
  • Patent number: 5630711
    Abstract: A peristaltic pump for transferring fluid through a flexible tube having a loop-shaped tube path is provided. The pump includes a motor that drives a pair of rollers in a circular path within a housing. The housing includes identical housing halves that together define an inlet port, an outlet port and the loop-shaped tube path through which the flexible tube is fed.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: May 20, 1997
    Assignee: Graymills Corporation
    Inventors: Kenneth Luedtke, Gary Pritchard, Craig J. Shields