Patents by Inventor Mark Andrew Lunde

Mark Andrew Lunde 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).

  • Publication number: 20250010223
    Abstract: The present document discloses a filter element comprising a fabric filter bag with an open end and a closed end, and a flange consisting of an elastomeric annular ring affixed to the open end of the fabric filter bag. The elastomeric flange enhances the sealing and attachment of the filter element, providing improved efficiency and durability in various filtration applications.
    Type: Application
    Filed: September 18, 2024
    Publication date: January 9, 2025
    Inventors: Jose Ignacio Paz, Dennis Miles Findley, Mark Andrew Lunde
  • Patent number: 12121831
    Abstract: A filter element includes an inner filter basket including an elongated tubular portion having a first open end and a first closed end. The tubular portion defines a plurality of perforations therethrough. An outer surface of the tubular portion is seamless. A first annular brim extends outwardly from the open end of the tubular portion. The filter element also includes an outer filter basket having a second open end in which the inner filter basket is received. A second annular brim extends outwardly from the second open end of the outer filter basket. The fabric filter bag is disposed between the inner filter basket and the outer filter basket.
    Type: Grant
    Filed: January 9, 2024
    Date of Patent: October 22, 2024
    Assignee: Rosedale Products
    Inventors: Jose Ignacio Paz, Dennis Miles Findley, Mark Andrew Lunde
  • Publication number: 20240139653
    Abstract: A filter element includes an inner filter basket including an elongated tubular portion having a first open end and a first closed end. The tubular portion defines a plurality of perforations therethrough. An outer surface of the tubular portion is seamless. A first annular brim extends outwardly from the open end of the tubular portion. The filter element also includes an outer filter basket having a second open end in which the inner filter basket is received. A second annular brim extends outwardly from the second open end of the outer filter basket. The fabric filter bag is disposed between the inner filter basket and the outer filter basket.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Jose Ignacio Paz, Dennis Miles Findley, Mark Andrew Lunde
  • Patent number: 11904261
    Abstract: A filter assembly includes an inner filter basket comprising an elongated tubular portion having a first open end and a first closed end. The tubular portion defines a plurality of perforations therethrough. An outer surface of the tubular portion is seamless. A first annular brim extends outwardly from the open end of the tubular portion. The filter assembly also includes an outer filter basket having a second open end in which the inner filter basket is received. A second annular brim extends outwardly from the second open end of the outer filter basket. The first and second brims are configured to retain a fabric filter bag between the inner filter basket and the outer filter basket.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: February 20, 2024
    Assignee: Rosedale Products
    Inventors: Jose Ignacio Paz, Dennis Miles Findley, Mark Andrew Lunde
  • Publication number: 20220233976
    Abstract: A filter assembly includes an inner filter basket comprising an elongated tubular portion having a first open end and a first closed end. The tubular portion defines a plurality of perforations therethrough. An outer surface of the tubular portion is seamless. A first annular brim extends outwardly from the open end of the tubular portion. The filter assembly also includes an outer filter basket having a second open end in which the inner filter basket is received. A second annular brim extends outwardly from the second open end of the outer filter basket. The first and second brims are configured to retain a fabric filter bag between the inner filter basket and the outer filter basket.
    Type: Application
    Filed: January 3, 2022
    Publication date: July 28, 2022
    Inventors: Jose Ignacio Paz, Dennis Miles Findley, Mark Andrew Lunde