Patents by Inventor Richard E. Thorsten

Richard E. Thorsten 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).

  • Foundation underpinning bracket and jacking tool assembly
    Patent number: 5120163
    Abstract: Apparatus and a method is disclosed for stabilizing the foundation of an existing building structure which may or has experienced settlement or movement. A support for the foundation is provided that is adapted to be located at a position in underlying relationship to the foundation structure. A screw anchor having an anchor shaft and at least one helix thereon is driven into the ground adjacent the foundation support.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: June 9, 1992
    Assignee: A.B. Chance Company
    Inventors: Maynard L. Holdeman, Ronnie J. Hargrave, Richard E. Thorsten