Patents by Inventor Malcolm O'Keefe

Malcolm O'Keefe 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).

  • High pressure seals
    Patent number: 12188562
    Abstract: A sealing system for sealing an annulus. The annulus is defined by a cylindrical interior and a cylindrical exterior within, and axially movable relative to, the cylindrical interior. The sealing system includes an inner seal (to surround and sealingly engage the cylindrical exterior), a seal support (to surround, and axially support, the inner seal), an outer seal (to surround the seal support and sealingly engage the seal support and the cylindrical interior), a first support ring (to sit behind an outer periphery of the outer seal), and a back stop (to surround the cylindrical exterior and axially support the seal support and the first ring).
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: January 7, 2025
    Assignee: QUANTUM SERVO PUMPING TECHNOLOGIES PTY LTD
    Inventors: Darren Reukers, John Reyes, Malcolm O'Keefe
  • HIGH PRESSURE SEALS
    Publication number: 20230160474
    Abstract: A sealing system for sealing an annulus. The annulus is defined by a cylindrical interior and a cylindrical exterior within, and axially movable relative to, the cylindrical interior. The sealing system includes an inner seal (to surround and sealingly engage the cylindrical exterior), a seal support (to surround, and axially support, the inner seal), an outer seal (to surround the seal support and sealingly engage the seal support and the cylindrical interior), a first support ring (to sit behind an outer periphery of the outer seal), and a back stop (to surround the cylindrical exterior and axially support the seal support and the first ring).
    Type: Application
    Filed: May 31, 2021
    Publication date: May 25, 2023
    Inventors: Darren Reukers, John Reyes, Malcolm O'Keefe