Patents by Inventor Joel R. Brown

Joel R. Brown 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).

  • Sleeved seal for a valve
    Patent number: 5454547
    Abstract: The present invention provides a sleeved seal, as well as the method of installing and machining said sleeved seal. The seal comprises a unitary configuration of a backseat and a sleeve for a stuffing box area, comprising a valve stem bore in communication with a stuffing box area internal to the sleeve seal and a machined backseat and sleeve along the outer diameter of the sleeved seal.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: October 3, 1995
    Assignee: Valve Sales Company, Inc.
    Inventor: Joel R. Brown