Patents by Inventor Mark Rasper

Mark Rasper 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).

  • Knife indexing apparatus
    Patent number: 6807886
    Abstract: The invention is for a knife indexing apparatus for a non-rotating core cutting knife and a means for automatically indexing the knife during core cutting operations. The apparatus employs the discovery that by indexing the knife in the direction of rotation of the core, at least one additional fresh cutting edge can be presented to the work than would be the case if the knife were rotated in the direction opposite to the direction of rotation of the core to be cut.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: October 26, 2004
    Assignee: Productive Solutions INC
    Inventors: Mark Rasper, Tim Rulseh