Patents by Inventor Paul Pieper

Paul Pieper 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 of cutting a workpiece
    Patent number: 4379417
    Abstract: A cutting tool arrangement for performing the process of opening up the slit cut in the workpiece by circular saws before the saw is retracted to facilitate removal of the saw. The workpiece being severed is moved perpendicular to the cutting plane as is the saw blade to accomplish the desired result.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: April 12, 1983
    Assignee: Rolf Peddinghaus
    Inventors: Paul Pieper, Walter Cordier
  • Circular saw with means for opening up the cut slit
    Patent number: 4289054
    Abstract: A cutting tool arrangement for performing the process of opening up the slit cut in the workpiece by circular saws before the saw is retracted to facilitate removal of the saw. The workpiece being severed is moved perpendicular to the cutting plane as is the saw blade to accomplish the desired result.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: September 15, 1981
    Assignee: Rolf Peddinghaus
    Inventors: Paul Pieper, Walter Cordier