Patents by Inventor Frede J. Maxwell

Frede J. Maxwell 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).

  • Weld on insert valve
    Patent number: 9897240
    Abstract: Embodiments of systems and methods for installing a single valve assembly into in-service pipelines are presented using conventional hot tap technology. In one embodiment, the single valve assembly may comprise a removable cartridge assembly that comprises a wedge assembly that is rotated from an open position to a closed position and movable from a first unexpanded position to a second compressed position that sealingly engages one or more sealing elements to the valve body or housing to prevent fluid flow in the pipeline. The cartridge assembly is configured to be removed from the valve body for repair, maintenance, or replacement without additional line stops or interruptions to the in-service pipeline.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: February 20, 2018
    Assignee: Team Industrial Services, Inc.
    Inventors: J. Patrick Kearns, Glenn R. Peters, Darrell Gatlin, Keith Kobayashi, Frede J. Maxwell, Mark Furtado
  • WELD ON INSERT VALVE
    Publication number: 20160305593
    Abstract: Embodiments of systems and methods for installing a single valve assembly into in-service pipelines are presented using conventional hot tap technology. In one embodiment, the single valve assembly may comprise a removable cartridge assembly that comprises a wedge assembly that is rotated from an open position to a closed position and movable from a first unexpanded position to a second compressed position that sealingly engages one or more sealing elements to the valve body or housing to prevent fluid flow in the pipeline. The cartridge assembly is configured to be removed from the valve body for repair, maintenance, or replacement without additional line stops or interruptions to the in-service pipeline.
    Type: Application
    Filed: April 4, 2016
    Publication date: October 20, 2016
    Applicant: Team Industrial Services, Inc.
    Inventors: J. Patrick Kearns, Glenn R. Peters, Darrell Gatlin, Keith Kobayashi, Frede J. Maxwell, Mark Furtado