Patents by Inventor S. Clay Evatt

S. Clay Evatt 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: 9114788
    Abstract: A pneumatic manifold for a braking system of a railway vehicle includes a first manifold section and a second manifold section, each having an interior surface thereon and a plurality of ports and passageways extending therethrough, and a manifold joint seal for creating a sealing engagement between the first manifold section and the second manifold section. The manifold joint seal is removably mounted inside a slot provided on the surface of one or both manifold sections. The manifold joint seal includes a retainer body having an opening extending therethrough, and two sealing elements are disposed within respective channels provided on opposing surfaces of the retainer body in the axial direction of the annular opening.
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: August 25, 2015
    Assignee: Wabtec Holding Corp.
    Inventors: Robert N. Scharpf, S. Clay Evatt
  • Patent number: 8555919
    Abstract: A ball valve includes a valve housing that has a main passage defined therein and a valve assembly that includes a valve body, which is movable within the main passage between open and closed positions, and a valve stem that fixedly engages the valve body. A handle is disposed on the valve housing that is connected to the valve stem and is operable to rotate the valve body between the open and closed positions via the valve stem. A switch is disposed within the housing, which operatively engages the valve assembly and is configured to transmit a signal to an operator's station regarding the position of the valve body.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: October 15, 2013
    Assignee: Wabtec Holding Corp.
    Inventors: S. Clay Evatt, Gregory Stephen Childers
  • Publication number: 20120211098
    Abstract: A ball valve includes a valve housing that has a main passage defined therein and a valve assembly that includes a valve body, which is movable within the main passage between open and closed positions, and a valve stem that fixedly engages the valve body. A handle is disposed on the valve housing that is connected to the valve stem and is operable to rotate the valve body between the open and closed positions via the valve stem. A switch is disposed within the housing, which operatively engages the valve assembly and is configured to transmit a signal to an operator's station regarding the position of the valve body.
    Type: Application
    Filed: February 23, 2011
    Publication date: August 23, 2012
    Applicant: WABTEC HOLDING CORP.
    Inventors: S. Clay Evatt, Gregory Stephen Childers
  • Publication number: 20120192957
    Abstract: A pneumatic manifold for a braking system of a railway vehicle includes a first manifold section and a second manifold section, each having an interior surface thereon and a plurality of ports and passageways extending therethrough, and a manifold joint seal for creating a sealing engagement between the first manifold section and the second manifold section. The manifold joint seal is removably mounted inside a slot provided on the surface of one or both manifold sections. The manifold joint seal includes a retainer body having an opening extending therethrough, and two sealing elements are disposed within respective channels provided on opposing surfaces of the retainer body in the axial direction of the annular opening.
    Type: Application
    Filed: January 16, 2012
    Publication date: August 2, 2012
    Applicant: WABTEC HOLDING CORP.
    Inventors: Robert N. Scharpf, S. Clay Evatt