Patents by Inventor Kent STUBBLEFIELD

Kent STUBBLEFIELD 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: 11633681
    Abstract: A removable filter plate for a rotary drum filter that reduces instances of welding to secure the filter plate to the drum and obviates the need for cap strips. An exemplary filter plate assembly in accordance with this disclosure comprises a filter plate and an engagement assembly, wherein the engager of the engagement assembly is configured to extend in a lateral direction toward the leading end or the trailing end of the filter plate, wherein an extended engager having an engagement end disposed under a shelf of the adjacent top hat mounting assembly defines a closed position, and wherein a retracted engager defines an open position.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: April 25, 2023
    Assignee: ANDRITZ INC.
    Inventors: Todd Grace, Kent Stubblefield
  • Publication number: 20210268410
    Abstract: An engagement assembly for a rotary drum filter, the engagement assembly includes a retaining clip having a body, a first shelf extending outwardly from the body in a first direction and a second shelf extending outwardly from the body in a direction opposite the first direction; and an S-clip having a major concave area configured to receive a leading end or a trailing end of a filter plate, and a minor concave area, and configured to receive the first shelf or the second shelf of the retaining clip.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 2, 2021
    Applicant: ANDRITZ INC.
    Inventors: Jacob Townson, Kent Stubblefield, Anthony Harrington, Todd Grace
  • Publication number: 20200246733
    Abstract: A removable filter plate for a rotary drum filter that reduces instances of welding to secure the filter plate to the drum and obviates the need for cap strips. An exemplary filter plate assembly in accordance with this disclosure comprises a filter plate and an engagement assembly, wherein the engager of the engagement assembly is configured to extend in a lateral direction toward the leading end or the trailing end of the filter plate, wherein an extended engager having an engagement end disposed under a shelf of the adjacent top hat mounting assembly defines a closed position, and wherein a retracted engager defines an open position.
    Type: Application
    Filed: January 29, 2020
    Publication date: August 6, 2020
    Inventors: Todd GRACE, Kent STUBBLEFIELD