Patents Assigned to Grindtech Investments
  • Grinding machine and method
    Patent number: 5921480
    Abstract: The present invention provides an industrial grinding machine and method of grinding by shredding between stationary cutters and rotating cutters placed within a plurality of cutting units, each cutting unit having a blunt stationary cutter and a blunt rotating cutter, which are spaced apart, without the use of sharpened knife blades.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: July 13, 1999
    Assignee: Grindtech Investments
    Inventor: Reiner Wenzel