Patents by Inventor Pat York

Pat York 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).

  • Expandable well screen
    Patent number: 6263966
    Abstract: An improved expandable well screen and associated methods of servicing a subterranean well provide enhanced functionality, while increasing the convenience of manufacture and deployment of the screen, and reducing the screen's cost. In one described embodiment of the invention, an expandable well screen includes a pleated woven metal filter element disposed overlying a perforated base pipe. When the screen is appropriately positioned within a well, an expanding tool is utilized to radially enlarge the base pipe and filter element.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: July 24, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Richard C. Haut, Ian J. Mickelburgh, Ronald G. Dusterhoft, Pat York, Jackie LaFontaine