Patents by Inventor Ulrich Grunhoff

Ulrich Grunhoff 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).

  • Patent number: 4934608
    Abstract: A process for explosive comminution of cellular material in which the material is subjected to compressed gas in a pressure chamber and then discharged from the pressure chamber with explosive pressure release in small portions against the grinding means of a mill.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: June 19, 1990
    Assignee: Kohlensaurewerk Deutschland GmbH
    Inventors: Klaus F. Sylla, Ulrich Grunhoff
  • Patent number: 4746071
    Abstract: A process and apparatus for releasing blossom pollen from its outer skin by a combination of drying and size reduction pressure treatment steps.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: May 24, 1988
    Assignee: Kohlensaeurewerk Deutschland GmbH
    Inventors: Ulrich Grunhoff, Lutz Urbat