Patents by Inventor Thomas J. Wallbillich, III

Thomas J. Wallbillich, III 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).

  • Method and apparatus for releasing a well perforating gun from a supporting tubing string
    Patent number: 4815540
    Abstract: A perforating gun is latchably secured to the bottom end of a tubular support which in turn is connected to the bottom of a well tubing string. After the gun has been discharged, it may be released from the tubing string by dropping a ball on an upwardly facing seating surface provided on the top portions of the perforating gun assemblage and then increasing the tubing string pressure to a predetermined level which effects the release of the latching mechanism and drops the perforating gun assembly to the bottom of the well.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: March 28, 1989
    Assignee: Baker Hughes Incorporated
    Inventor: Thomas J. Wallbillich, III