Patents by Inventor Jay Roger Clark

Jay Roger Clark 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: 6644567
    Abstract: A remotely operated cutting mode shifting apparatus for use with a decoking tool of the type in which the cutting mode is changed by rotation of a diverter valve plate, has a shifter body adapted for mounting to the decoking tool and a control rod for engaging with the diverter valve plate. It includes a mechanism within the shifter body for rotating the control rod to drive the diverter valve plate to shift the cutting mode of the decoking tool upon release of cutting fluid pressure from the tool.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: November 11, 2003
    Assignee: Flowserve Management Company
    Inventors: Douglas Adams, Jay Roger Clark, Lloyd D. Hanson, Martin Prescott, Robert M. Purton, Richard Tran