Patents by Inventor Ronald Groth

Ronald Groth 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 TO DETECT CHANGE IN WORK TOOL
    Publication number: 20050261799
    Abstract: Method and apparatus to detect a change in a work tool with an engaging portion. A control system senses a change in the relationship between the engaging portion of the work tool and at least one of the work tool and another engaging portion of the work tool. If the change is greater than a predetermined value, the control system produces an error signal.
    Type: Application
    Filed: May 19, 2004
    Publication date: November 24, 2005
    Inventors: Ronald Groth, Carl Kemner, N. Lay