Patents by Inventor CRAIG FENNESSY

CRAIG FENNESSY 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).

  • Portable gas filling system
    Patent number: 9945517
    Abstract: A portable gas filling system for transfer of cryogenic fluids to high pressure gas cylinders includes a moveable platform, a cryogenic fluid pump for connection to an off platform cryogenic fluid Dewar, and a vaporizer for connection between the fluid pump and gas cylinders. A vacuum pump is provided for purging of interconnecting system lines and a gas accumulator interconnected to the system lines enables storage of gas to pressurize the Dewar.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: April 17, 2018
    Assignee: ACD COMPANY
    Inventors: Craig Fennessy, Duane Bergmann
  • PORTABLE GAS FILLING SYSTEM
    Publication number: 20110056217
    Abstract: A portable gas filling system for transfer of cryogenic fluids to high pressure gas cylinders includes a moveable platform, a cryogenic fluid pump for connection to an off platform cryogenic fluid Dewar, and a vaporizer for connection between the fluid pump and gas cylinders. A vacuum pump is provided for purging of interconnecting system lines and a gas accumulator interconnected to the system lines enables storage of gas to pressurize the Dewar.
    Type: Application
    Filed: September 8, 2009
    Publication date: March 10, 2011
    Inventors: CRAIG FENNESSY, DUANE BERGMANN