Patents by Inventor Murray Fearn

Murray Fearn 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 DOWNHOLE CASING COUPLING LOCATOR TOOL
    Publication number: 20120279709
    Abstract: A downhole locator apparatus, including a tool body having a central axis defined therethrough, and at least one locator lug radially expandable from the tool body, in which the at least one locator lug is configured to be received in an annular groove formed in an inner surface of a casing string, in which the at least one locator lug is configured to move radially between a retracted position and an expanded position.
    Type: Application
    Filed: May 6, 2011
    Publication date: November 8, 2012
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: James Bain, Murray Fearn, Brian Cruickshank, Charles Dewey, Mahavir Nagaraj