Patents Assigned to ACD COMPANY
  • 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