Patents Assigned to Alternative Energy Resources, Inc.
  • Automatic hot water recovery apparatus
    Patent number: 4930551
    Abstract: Automatic hot water recovery apparatus is provided for conserving the energy in a pressurized plumbing system and water heater apparatus by recovering hot water from hot water lines extending to plumbing fixtures remotely disposed from the water heater. A flow regulator is provided for automatically adjusting the flow of water from the cold water line into the hot water line as a function of operating pressure within the plumbing system.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: June 5, 1990
    Assignee: Alternative Energy Resources, Inc.
    Inventor: Spencer K. Haws
  • Automatic hot water recovery apparatus
    Patent number: 4798224
    Abstract: Automatic hot water recovery apparatus is provided for conserving the energy in a pressurized plumbing system and water heater apparatus by recovering hot water from hot water lines extending to plumbing fixtures remotely disposed from the water heater. A piston is provided within the water heater to enable the displacement of water therein and to act as an indicator of system operation.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: January 17, 1989
    Assignee: Alternative Energy Resources, Inc.
    Inventor: Spencer K. Haws