Patents by Inventor Frank Wittekopf

Frank Wittekopf 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).

  • Method for directly cooling fine-particle solid substances
    Patent number: 7003965
    Abstract: The invention relates to a method for directly cooling fine-particle, powdery solid substances by using a cooling medium provided in the form of low-boiling condensed gases or of cold gases obtained therefrom, whereupon bulk material packings are subsequently filled with these solid substances. The invention also relates to a device for directly cooling the fine-particle, powdery solid substances and to fine-particle, powdery solid substances, which are located inside bulk material packings and which, compared to air, have a lower oxygen content in the gas phase between the solid substance particles.
    Type: Grant
    Filed: July 4, 2002
    Date of Patent: February 28, 2006
    Assignee: Kerr-McGee Pigments International GmbH
    Inventors: Gerhard Auer, Dirk Weber, Werner Schuy, Frank Wittekopf
  • Method for directly cooling fine-particle solid substances
    Publication number: 20040237543
    Abstract: The invention relates to a method for directly cooling fine-particle, powdery solid substances by using a cooling medium provided in the form of low-boiling condensed gases or of cold gases obtained therefrom, whereupon bulk material packings are subsequently filled with these solid substances. The invention also relates to a device for directly cooling the fine-particle, powdery solid substances and to fine-particle, powdery solid substances, which are located inside bulk material packings and which, compared to air, have a lower oxygen content in the gas phase between the solid substance particles.
    Type: Application
    Filed: January 5, 2004
    Publication date: December 2, 2004
    Inventors: Gerhard Auer, Dirk Weber, Werner Schuy, Frank Wittekopf