Patents by Inventor Robert H. Buijtendijk

Robert H. Buijtendijk 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 cleaning particle classifier
    Patent number: 6979372
    Abstract: A method for cleaning portions of a particle classifier, such as for example the rotor and/or stator, includes providing carbon dioxide particles to the classifier. Carbon dioxide particles are supplied to the classifier via a particle inlet and subjected to processing conditions similar to those utilized in particle classification. Cleaning a classifier with carbon dioxide particles may be accomplished off-line or on-line.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: December 27, 2005
    Assignee: Xerox Corporation
    Inventors: Peter J. A. Otten, Robert H. Buijtendijk