Patents by Inventor Rochelle Marie Blackford

Rochelle Marie Blackford 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).

  • Valve seat apparatus for use with fluid valves
    Patent number: 8066258
    Abstract: A valve seat apparatus for use with fluid valves is described. An example valve seat apparatus includes a flexible seal disposed between a cage and a valve body such that an outer seating surface of a closure member slidably coupled to the cage slidingly engages the flexible seal to prevent fluid flow through the valve body when the valve is in a closed position and an end of the closure member is not driven into abutting engagement with another seating surface when the valve is in the closed position.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: November 29, 2011
    Assignee: Fisher Controls International, LLC
    Inventors: Aaron Andrew Perrault, Rochelle Marie Blackford, David James Westwater, Ronald W. Kaufmann
  • VALVE SEAT APPARATUS FOR USE WITH FLUID VALVES
    Publication number: 20100301253
    Abstract: A valve seat apparatus for use with fluid valves is described. An example valve seat apparatus includes a flexible seal disposed between a cage and a valve body such that an outer seating surface of a closure member slidably coupled to the cage slidingly engages the flexible seal to prevent fluid flow through the valve body when the valve is in a closed position and an end of the closure member is not driven into abutting engagement with another seating surface when the valve is in the closed position.
    Type: Application
    Filed: May 26, 2009
    Publication date: December 2, 2010
    Inventors: Aaron Andrew Perrault, Rochelle Marie Blackford, David James Westwater, Ronald W. Kaufmann