Patents Assigned to Energy Innovation Enterprises, Ltd.
  • Apparatus for indicating quantity of liquified gas contained in a storage container
    Patent number: 4450721
    Abstract: Apparatus for indicating quantity of liquified gas contained in a storage container for supplying gas to a consuming appliance, the apparatus including a pressure sensor for sensing gas pressure within the container and being arranged to operate an indicator which gives a desired indication, the indicator being calibrated to indicate the quantity by weight or volume of liquified gas contained in the container.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: May 29, 1984
    Assignee: Energy Innovation Enterprises, Ltd.
    Inventors: John Gaunt, Kenneth E. Gregory