Patents by Inventor Steve Wickensberg

Steve Wickensberg 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: 6508422
    Abstract: A pulper for pulping a fiber source includes a tank and a rotor. The tank has a plurality of annular-shaped inner walls defining a chamber. The plurality of walls include a first wall, second wall, third wall and forth wall which are sequentially vertically adjoining relative to each other. Each of the walls are disposed at an angle relative to a vertical reference. The first wall is disposed at an angle of between 45 and 70° relative to the vertical reference. The second wall is disposed at an angle of between 20 and 45° relative to the vertical reference. The third wall is disposed generally parallel to the vertical reference. The forth wall is disposed at an angle of between 10 and 30° relative to the vertical reference. The tank further includes two baffles within the chamber which inhibit rotational movement of the fiber source within the chamber.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: January 21, 2003
    Assignee: Voith Paper, Inc.
    Inventors: Steve Wickensberg, Mike Van Rossum, Mike Theobald, Kurt W. Lorenz, Klaus Doelle, Oliver U. Heise
  • Publication number: 20020166910
    Abstract: A pulper for pulping a fiber source includes a tank and a rotor. The tank has a plurality of annular-shaped inner walls defining a chamber. The plurality of walls include a first wall, second wall, third wall and forth wall which are sequentially vertically adjoining relative to each other. Each of the walls are disposed at an angle relative to a vertical reference. The first wall is disposed at an angle of between 45 and 70° relative to the vertical reference. The second wall is disposed at an angle of between 20 and 45° relative to the vertical reference. The third wall is disposed generally parallel to the vertical reference. The forth wall is disposed at an angle of between 10 and 30° relative to the vertical reference. The tank further includes two baffles within the chamber which inhibit rotational movement of the fiber source within the chamber.
    Type: Application
    Filed: May 11, 2001
    Publication date: November 14, 2002
    Inventors: Steve Wickensberg, Mike Van Rossum, Mike Theobald, Kurt W. Lorenz, Klaus Doelle, Oliver U. Heise