Patents by Inventor Stefan C. Slaby

Stefan C. Slaby 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 thermal powered water pump
    Patent number: 5163821
    Abstract: A solar powered water pump combines an evacuated tubular solar collector array for heating air with a diaphragm type pump by providing an internal heat exchanger in the manifold of the collector array. The heat exchanger uses heat from the heated air to generate steam from water. The steam from the heat exchanger is used to drive the diaphragm pump. Another heat exchange medium such as freon or ammonia can be used in place of water.
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: November 17, 1992
    Assignee: WorldWater, Inc.
    Inventors: Quentin T. Kelly, Steve M. Slaby, David T. Harrje, Tony J. Poli, Stefan C. Slaby, D. Michael H. Platt, John H. Fernandes