Patents Assigned to T&S Solutions, Inc.
  • Valve stem and method of manufacture; improved stem packing
    Patent number: 6247679
    Abstract: A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A valve packing comprises a vertically stacked array comprising alternating metal pressure rings and graphite seals.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: June 19, 2001
    Assignee: T&S Solutions, Inc.
    Inventor: Raoul W. Robert