Patents Assigned to Structural North America
  • Composite instantaneous water heater
    Patent number: 6061499
    Abstract: An insulated composite hot water heater is disclosed. The heater comprises an inner plastic pressure vessel for storing and heating water. The pressure vessel has an access opening provided with a removable closure plate. A heat exchanger unit is provided within said pressure vessel and retained therein by the closure plate. An outer housing surrounds the inner plastic pressure vessel and a thermal insulating material is interposed between the vessel and the housing.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: May 9, 2000
    Assignee: Structural North America
    Inventor: James C. Hlebovy