Patents by Inventor John T. Pollock

John T. Pollock 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).

  • Method and apparatus for automatically mixing a solution having a specified concentration
    Patent number: 4252139
    Abstract: A method and apparatus for automatically mixing a solution having a specified concentration is disclosed. The apparatus comprises: a storage tank, means for automatically introducing water into the tank, means for slowly introducing salt into the tank, and means for terminating the introduction of salt into the tank when the specific gravity of the tank reaches a specified value. Means are provided for preventing withdrawal of solution during the mixing cycle.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: February 24, 1981
    Assignee: Milliken Research Corporation
    Inventors: John R. Davis, John T. Pollock