Patents by Inventor Tommy Wayne Van

Tommy Wayne Van 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: 7341111
    Abstract: Bridge plug and setting assembly may be used in a well with a tubular therein to control flow through the tubular. A plurality of fluid powered units 16, 24 are suspended in a well from a work string 14 for exerting a driving force. A plug member 50 is suspended below the plurality of fluid powered units. The plug member 50 is axially movable relative to an expansion sleeve 40 in response to the driving force to radially expand the sleeve 40 into sealing engagement with both the plug member 50 and the tubular 12. A release mechanism 68 is provided for releasing the one or more fluid powered units from the plug member and the expansion sleeve once set in the well.
    Type: Grant
    Filed: May 26, 2005
    Date of Patent: March 11, 2008
    Assignee: TIW Corporation
    Inventors: Tommy Wayne Van, Britt O. Braddick