Patents by Inventor William Urmson

William Urmson 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).

  • Tie plate
    Publication number: 20060118649
    Abstract: An electrically-insulated tie plate for electrically isolating parts of a railroad rail system from each other. The electrically-insulated tie plate includes a base plate having a recessed area for receiving a railroad rail and a layer of electrically-insulating material covering portions of the base plate.
    Type: Application
    Filed: November 7, 2005
    Publication date: June 8, 2006
    Applicant: Portec Rail Products, Inc.
    Inventors: William Urmson, John Mospan, John Downey