Patents Assigned to Holland Company LP
  • 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