Patents by Inventor Ryan A. Knight

Ryan A. Knight 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).

  • Refiner plate with wave-like groove profile
    Patent number: 11141735
    Abstract: A refiner plate segment including a plurality of bars and grooves for refining lignocellulosic materials, where the grooves between adjacent bars includes a plurality of teeth having a wave-like profile with alternating high and low points. The wave-like profile of the teeth within the grooves increases turbulence in the refining process to tumble the fibers and push them toward the refining gap to reduce energy and improve the efficiency of the fiber reduction process.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: October 12, 2021
    Assignee: Valmet Technologies Oy
    Inventor: Ryan A. Knight
  • REFINER PLATE WITH WAVE-LIKE GROOVE PROFILE
    Publication number: 20180345291
    Abstract: A refiner plate segment including a plurality of bars and grooves for refining lignocellulosic materials, where the grooves between adjacent bars includes a plurality of teeth having a wave-like profile with alternating high and low points. The wave-like profile of the teeth within the grooves increases turbulence in the refining process to tumble the fibers and push them toward the refining gap to reduce energy and improve the efficiency of the fiber reduction process.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 6, 2018
    Inventor: Ryan A. Knight