Patents by Inventor Henry W. Zaininger

Henry W. Zaininger 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).

  • Solar heat educational device
    Patent number: 4060916
    Abstract: An educational device for use in instruction concerning solar heat utilization comprises a solar energy collector in which liquid is heated by solar energy indirectly through a heat-exchanger, a liquid storage tank, a pump and associated pipe system to circulate liquid between the collector and the storage tank, a valved by-pass line to permit recycle of liquid from and to the storage tank external of said collector and an instrument panel to display temperature of said heat exchanger, temperature of liquid contained within said collector, temperature of liquid contained in said storage tank and pressure of liquid flowing in said pipe system.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: December 6, 1977
    Assignee: Systems Using Nature Ltd.
    Inventors: George D. Finigan, Brian E. May, Henry W. Zaininger