Patents by Inventor Thomas C. Roth

Thomas C. Roth 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 wear compensation system
    Patent number: 5393177
    Abstract: Alternative tool wear compensation modules employing drawbar actuated tool position adjustment or electrically activated solid-state prime mover adjustment including means for physically sensing and verifying the extent of adjustment without awaiting the gaging of successive work piece dimensions following compensation adjustment. In one embodiment, a piezoelectric stack is employed with a flexure unit mounted tool to produce adjustment deflection through controlled voltage applied to the piezoelectric stack.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: February 28, 1995
    Assignee: Valenite Inc.
    Inventors: Kenneth J. Cook, Thomas C. Roth, Frank D. Hasse, Gerald W. Mathie