Patents by Inventor Rolf Suhrheinrich

Rolf Suhrheinrich 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).

  • Abrasive wheel
    Patent number: 5649857
    Abstract: A laminated abrasive wheel comprises a central carrying member having two holding flanges between which abrasive laminae assembled to form stacks of abrasive laminae are arranged. On the holding flanges there are fastened respectively alternating studs which are pushed between the stacks of abrasive laminae and which serve to hold them under friction. At the same time, the holding flanges are also connected to the stacks of abrasive laminae to form a unit.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: July 22, 1997
    Assignee: August Ruggeberg
    Inventors: Rolf Suhrheinrich, Hermann Hardenbicker, Norbert Klein