Patents by Inventor Kenneth E. Embry

Kenneth E. Embry 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).

  • Three-wedge double block isolation chamber
    Patent number: 7469709
    Abstract: A three-wedge double block isolation chamber including a body with an internal chamber bounded by an inlet and an outlet having a wedge assembly positioned in the chamber. The wedge assembly may be configured as either a blind wedge assembly to block the flow of liquid through a pipeline; a flow-through wedge assembly to permit flow of liquid through a pipeline; or a meter wedge assembly to meter the flow of liquid through the pipeline. The wedge assembly includes an upstream wedge, a downstream wedge, and a force wedge. The wedge assembly seats in the internal chamber of the body. The upstream wedge and the downstream wedge each include a seal and are positioned respectively against the inlet and outlet.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: December 30, 2008
    Assignee: Kesta, L.L.C.
    Inventors: Stanley James Bridgeford, Kenneth E. Embry