Patents by Inventor David Stephen Garrick

David Stephen Garrick 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).

  • Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use
    Patent number: 7407022
    Abstract: A dual cylinder positive displacement pump is used to move drill cuttings. The pump may include one or more of a self-sealing wear ring member/wear plate member interface, stainless steel pumping cylinders, and a hopper with an inclined surface.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: August 5, 2008
    Assignee: Clarke UK, Ltd.
    Inventors: David Mundell, David Stephen Garrick
  • Apparatus and method
    Publication number: 20040144405
    Abstract: Apparatus and method for treating contaminated waste products, such as drill cuttings. The waste products are heated in a reactor vessel so that liquid contaminants evaporate, leaving solids that are safe for disposal.
    Type: Application
    Filed: November 3, 2003
    Publication date: July 29, 2004
    Inventors: David Stephen Garrick, Ronald Laurence Garrick