Patents by Inventor Steve Richard Wickesberg

Steve Richard Wickesberg 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: 6623572
    Abstract: A pulper for pulping a fiber suspension includes a vessel, an extraction plate assembly and a rotor. The extraction plate assembly is disposed within the vessel and includes a metal plate with a plurality of holes extending therethrough. A plurality of metal inserts are respectively disposed within the holes and project from the plate. Each insert is removably attached to the plate. A rotor is disposed within the vessel adjacent to the extraction plate assembly. The inserts are removably attached to the plate by brazing the inserts within the holes, or slightly shrinking the inserts using liquid nitrogen and placing the inserts in the holes.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: September 23, 2003
    Assignee: Voith Sulzer Paper Technology North America, Inc.
    Inventors: Klaus Doelle, Kurt William Lorenz, Steve Richard Wickesberg
  • Publication number: 20020060025
    Abstract: A pulper for pulping a fiber suspension includes a vessel, an extraction plate assembly and a rotor. The extraction plate assembly is disposed within the vessel and includes a metal plate with a plurality of holes extending therethrough. A plurality of metal inserts are respectively disposed within the holes and project from the plate. Each insert is removably attached to the plate. A rotor is disposed within the vessel adjacent to the extraction plate assembly. The inserts are removably attached to the plate by brazing the inserts within the holes, or slightly shrinking the inserts using liquid nitrogen and placing the inserts in the holes.
    Type: Application
    Filed: June 20, 2001
    Publication date: May 23, 2002
    Applicant: Voith Sulzer Paper Technology North America, Inc.
    Inventors: Klaus Doelle, Kurt William Lorenz, Steve Richard Wickesberg
  • Patent number: 6254729
    Abstract: A pulper for pulping a fiber suspension includes a vessel, an extraction plate assembly and a rotor. The extraction plate assembly is disposed within the vessel and includes a metal plate with a plurality of holes extending therethrough. A plurality of metal inserts are respectively disposed within the holes and project from the plate. Each insert is removably attached to the plate. A rotor is disposed within the vessel adjacent to the extraction plate assembly. The inserts are removably attached to the plate by brazing the inserts within the holes, or slightly shrinking the inserts using liquid nitrogen and placing the inserts in the holes.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: July 3, 2001
    Assignee: Voith Sulzer Paper Technology North America, Inc.
    Inventors: Klaus Doelle, Kurt William Lorenz, Steve Richard Wickesberg