Patents by Inventor Walter Coffer

Walter Coffer 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).

  • Grounding of electrical structures
    Patent number: 7230808
    Abstract: Placement of a conductive polymer composition grounding material at frequent points in an integrated electric transmission and distribution system to minimize transmission of harmonics and the resulting electrical losses is described.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: June 12, 2007
    Assignee: Forward Ventures, LP
    Inventors: Norman Kirby, Fu Tian, Richard C. Hannay, Walter Coffer
  • Grounding of electrical structures
    Publication number: 20050257946
    Abstract: Placement of a conductive polymer composition grounding material at frequent points in an integrated electric transmission and distribution system to minimize transmission of harmonics and the resulting electrical losses is described.
    Type: Application
    Filed: May 21, 2004
    Publication date: November 24, 2005
    Inventors: Norman Kirby, Fu Tian, Richard Hannay, Walter Coffer