Patents by Inventor Klaus Kisbøll

Klaus Kisbøll 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).

  • Multi-zone grinding and/or polishing sheet
    Patent number: 7004823
    Abstract: The invention relates to grinding/polishing sheet, which comprises 2 or more annular grinding/polishing zones (1-5) separated by intermediate annular distancing zones (6). One or more of the grinding polishing zones (1-5) comprises one or more non-continuous areas, that are part of an annular structure forming channels (8) in radial direction. The grinding/polishing sheet can be placed on a rotatable grinding/polishing disc for manual, automatic or semiautomatic preparations of materialographic samples. The invention also relates to a method for preparations of materialographic samples.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: February 28, 2006
    Assignee: Struers A/S
    Inventors: Klaus Kisbøll, Morten J. Damgaard