Patents by Inventor Hubert E. Halford, Sr.

Hubert E. Halford, Sr. 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).

  • Whipstock system
    Patent number: 5806600
    Abstract: A whipstock has been invented that has a whipstock body, a concave connected to or formed integrally of the whipstock body, and connection apparatus for releasably connecting the whipstock body to another member. In one aspect the another member is anchor apparatus and the connection apparatus has a shearable member shearable to release the whipstock from the anchor apparatus that initially anchors the whipstock in a wellbore (or in a tubular member).
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: September 15, 1998
    Inventor: Hubert E. Halford, Sr.