Patents by Inventor Charles S. Fern

Charles S. Fern 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).

  • Water treatment apparatus and method
    Patent number: 5089145
    Abstract: A water treatment apparatus and method that utilizes a high voltage element. The apparatus comprises a tank having an inlet through which water to be treated can enter the tank and outlet through which treated water can exit the tank, a hollow sealed shaft positioned inside the tank, and a high voltage source located inside the shaft.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: February 18, 1992
    Inventor: Charles S. Fern