Patents Assigned to Xomox
  • Ball stem seal
    Patent number: 6129336
    Abstract: A stem seal assembly comprises a stem having a top end and a bottom end. The stem is adapted to fit in a valve body and interface with the valving member. A ball segment integral to the stem has a top surface facing upwardly and a bottom surface facing downwardly. A first seal engages the top surface of the ball segment and the second seal engages the bottom surface of the ball segment.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: October 10, 2000
    Assignee: Xomox
    Inventors: Michael J. Sandling, Steven M. Kirk
  • Composite valve seal
    Patent number: 5901944
    Abstract: A composite sealing unit for sealing between moving parts in a valve is disclosed. The sealing unit has a sealing portion that interfaces with the moving parts and is adapted to isolate a reinforcing portion from media within the valve. The reinforcing portion, which can be encapsulated within the sealing unit, is operative to enhance the resiliency of the sealing unit.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: May 11, 1999
    Assignee: Xomox
    Inventors: M. R. Ramakrishnan, Michael J. Sandling, Steven M. Kirk