Patents by Inventor John S. Tixier, Jr.

John S. Tixier, Jr. 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).

  • Vitrified underground structures
    Patent number: 5114277
    Abstract: A method of making vitrified underground structures in which 1) the vitrification process is started underground, and 2) a thickness dimension is controlled to produce substantially planar vertical and horizontal vitrified underground structures. Structures may be placed around a contaminated waste site to isolate the site or may be used as aquifer dikes.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: May 19, 1992
    Assignee: Battelle Memorial Institute
    Inventors: Mark T. Murphy, James L. Buelt, James A. Stottlemyre, John S. Tixier, Jr.