Patents by Inventor Robert Guyden

Robert Guyden 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: 6675894
    Abstract: A plug is provided for use in well plugging applications. In a described embodiment, the plug has a metal to metal seal on a hollow spherical structure. A change in contact pressure between the seal and a bore due to a change in differential pressure across the plug is regulated by changing characteristics of the plug structure.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: January 13, 2004
    Assignee: Halliburton Energy Services, Inc.
    Inventors: James D. Vick, Jr., Robert Guyden
  • Publication number: 20030127224
    Abstract: A plug is provided for use in well plugging applications. In a described embodiment, the plug has a metal to metal seal on a hollow spherical structure. A change in contact pressure between the seal and a bore due to a change in differential pressure across the plug is regulated by changing characteristics of the plug structure.
    Type: Application
    Filed: January 8, 2002
    Publication date: July 10, 2003
    Inventors: James D. Vick, Robert Guyden