Patents by Inventor Greg A. Valley

Greg A. Valley 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).

  • Method of railroad rail repair
    Patent number: 6515249
    Abstract: A method of repairing a damaged railroad rail comprising the steps of: identifying a defect in the rail, removing the portion of the rail having a defect and leaving two truncated rail ends, preparing the truncated rail ends for welding, and welding the two truncated rail ends together.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: February 4, 2003
    Assignees: Harsco Technologies Corporation, Holland Company LP
    Inventors: Greg A. Valley, Mark Edward Rovnyak