Patents by Inventor Oliver Crasser

Oliver Crasser 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 REFINING CELLULOSE FIBERS IN AQUEOUS SUSPENSION AS WELL AS REFINER FILLING TO IMPLEMENT SAID METHOD
    Publication number: 20110253327
    Abstract: The invention relates to a method for refining cellulose fibers in aqueous suspension, using a plurality of refiner fillings having refining edges, of which one is operated on at least one stator and another is operated on at least one rotor, and the suspension to be refined is processed between the two refiner fillings. A partial flow of the suspension delivered to the outlet side flows back on the back side of the refiner filling on the stator side, and then flows through openings located between the refining edges of the refiner filling on the stator side, and again into the refining zone. This leads to particularly uniform and economical refining.
    Type: Application
    Filed: January 18, 2011
    Publication date: October 20, 2011
    Inventors: Oliver Crasser, Markus Fursattel, Harald Hess, Hans-Herrmann Kleinschnittger, Michael Kramer