Patents by Inventor Paul P. Luangraj

Paul P. Luangraj 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).

  • Patent number: 6923423
    Abstract: A gate valve comprises a valve body, a stem bore which extends through the valve body, a stem which is disposed in the stem bore and which includes a first stem portion that is sealed to the stem bore, a second, smaller diameter stem portion that is sealed to the stem bore, and a gate pocket that is located between the first and second stem portions, and gate which is disposed within the gate pocket between the first and second seats.
    Type: Grant
    Filed: July 5, 2002
    Date of Patent: August 2, 2005
    Assignee: FMC Technologies, Inc.
    Inventors: Taylor L. Jones, Philip Hernandez, Archie L. Smith, David E. Cain, Gregory L. Glidden, Christopher D. Bartlett, Christopher E. Cunningham, Paul P. Luangraj
  • Publication number: 20030025094
    Abstract: A gate valve comprises a valve body which includes a stem bore that extends therethrough and a seat bore that extends therethrough and intersects the stem bore generally transversely. A stem is disposed in the stem bore and includes a first stem portion that is sealed to the stem bore, a second stem portion that is sealed to the stem bore, and a gate pocket that is located between the first and second stem portions. First and second seats are each positioned at least partially within the seat bore proximate the gate pocket and each include a flow bore that extends therethrough. The gate valve also includes a gate which is disposed within the gate pocket between the first and second seats, a first actuator for moving the gate from a first position to a second position, and a second actuator for moving the gate from the second position to the first position.
    Type: Application
    Filed: July 5, 2002
    Publication date: February 6, 2003
    Inventors: Taylor L. Jones, Philip Hernandez, Archie L. Smith, David E. Cain, Gregory L. Glidden, Christopher D. Bartlett, Christopher E. Cunningham, Paul P. Luangraj