Patents by Inventor Peter Ortner

Peter Ortner 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).

  • Apparatus for grinding a fibrous material suspension
    Patent number: 12188177
    Abstract: A refiner for refining pulps, includes a shaft, a rotor disc attached firmly to the shaft and a shaft bearing, the rotor disc being disposed between two stator discs and forming a refining chamber between the rotor disc and the stator discs. The shaft is movable in an axial direction and the shaft bearing is connected hydraulically to the refining chamber, ensuring low wear on the rotor discs and stator discs and, in particular, on the refiner plates on these discs, also in continuous operation.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: January 7, 2025
    Assignee: ANDRITZ AG
    Inventors: Thomas Reisinger, Peter Ortner, Daniel Hogue, Christian Harpin
  • Apparatus for Grinding a Fibrous Material Suspension
    Publication number: 20230047528
    Abstract: A refiner for refining pulps, includes a shaft, a rotor disc attached firmly to the shaft and a shaft bearing, the rotor disc being disposed between two stator discs and forming a refining chamber between the rotor disc and the stator discs. The shaft is movable in an axial direction and the shaft bearing is connected hydraulically to the refining chamber, ensuring low wear on the rotor discs and stator discs and, in particular, on the refiner plates on these discs, also in continuous operation.
    Type: Application
    Filed: March 12, 2021
    Publication date: February 16, 2023
    Inventors: Thomas Reisinger, Peter Ortner, Daniel Hogue, Christian Harpin