Patents by Inventor Stephen Meschall

Stephen Meschall 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).

  • Tool string
    Patent number: 6715557
    Abstract: A tool string for deployment in a wellbore includes an upper string and a lower string. The upper string includes a valve actuator, and the lower string includes a valve. The lower string is adapted to receive the upper string, and the valve actuator controls the operation of the valve once the upper string is received by the lower string.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: April 6, 2004
    Assignee: Schlumberger Technology Corporation
    Inventors: Rodney J. Wetzel, Stephen Meschall, Dennis M. Read, Clay W. Milligan, Jr.