Patents by Inventor Alexander Michael Jenkins

Alexander Michael Jenkins 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).

  • Stem seal cartridge for valve
    Patent number: 11885437
    Abstract: A stem sealing device for a valve can include a device body defining an annular shape; a stem seal defining an annular shape and configured to seal a gap between a valve stem of the valve and a valve body of the valve and positioned within the device body, the stem sealing device installable in and removable from the valve as an assembly without prior or subsequent removal of the stem seal; and a fastener configured to secure the device body to the valve body.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: January 30, 2024
    Assignee: Mueller International, LLC
    Inventors: Sean Michael Allen, Paul S. Gifford, Alexander Michael Jenkins
  • STEM SEAL CARTRIDGE FOR VALVE
    Publication number: 20230332717
    Abstract: A stem sealing device for a valve can include a device body defining an annular shape; a stem seal defining an annular shape and configured to seal a gap between a valve stem of the valve and a valve body of the valve and positioned within the device body, the stem sealing device installable in and removable from the valve as an assembly without prior or subsequent removal of the stem seal; and a fastener configured to secure the device body to the valve body.
    Type: Application
    Filed: April 13, 2022
    Publication date: October 19, 2023
    Inventors: Sean Michael Allen, Paul S. Gifford, Alexander Michael Jenkins