Patents by Inventor David Joel STEWART

David Joel STEWART 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).

  • GRINDING MILL LINER
    Publication number: 20240040968
    Abstract: A liner element for lining a vertical grinding mill agitator including one or more primary mounting portions configured to releasably mount the liner to a shaft of the agitator; and one or more secondary mounting portions configured to releasably mount one or more wear members to the liner. A liner segment including the liner element and at least one wear member is also disclosed.
    Type: Application
    Filed: September 11, 2023
    Publication date: February 8, 2024
    Applicant: Bradken Resources Pty Limited
    Inventors: Craig Frank FAULKNER, Terry Alexander SHORE, Brad John DRINKWATER, David Joel STEWART
  • MILL LINER, COUPLING TOOL AND METHOD OF REMOVAL OF A MILL LINER
    Publication number: 20230356234
    Abstract: Disclosed is a mill liner for a grinding mill, a mill liner coupling, a coupling tool, and a method of removing a mill liner for a grinding mill. The mill liner is arranged to be removably mounted to an interior surface of the grinding mill. The mill liner includes a coupling component that forms part of a coupling to connect the liner to a coupling tool for lifting of the liner. The coupling component being may be accessible via the inner surface or the wear surface. The coupling component may be in the form of at least one cavity.
    Type: Application
    Filed: August 16, 2019
    Publication date: November 9, 2023
    Applicant: Bradken Resources Pty Limited
    Inventors: Michael Stewart GRAY, David Joel STEWART, Terry Alexander SHORE
  • Grinding mill liner
    Patent number: 11785893
    Abstract: A liner element for lining a vertical grinding mill agitator including one or more primary mounting portions configured to releasably mount the liner to a shaft of the agitator; and one or more secondary mounting portions configured to releasably mount one or more wear members to the liner. A liner segment including the liner element and at least one wear member is also disclosed.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 17, 2023
    Assignee: Bradken Resources Pty Limited
    Inventors: Craig Frank Faulkner, Terry Alexander Shore, Brad John Drinkwater, David Joel Stewart
  • GRINDING MILL LINER
    Publication number: 20200391219
    Abstract: A liner element for lining a vertical grinding mill agitator including one or more primary mounting portions configured to releasably mount the liner to a shaft of the agitator; and one or more secondary mounting portions configured to releasably mount one or more wear members to the liner. A liner segment including the liner element and at least one wear member is also disclosed.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 17, 2020
    Applicant: Bradken Resources Pty Limited
    Inventors: Craig Frank FAULKNER, Terry Alexander SHORE, Brad John DRINKWATER, David Joel STEWART