Patents Represented by Attorney Thomas A. O'Bourke

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  • Measuring free acid concentration in solution
    Patent number: 5798268
    Abstract: A device for measuring free acid concentrations in a solution bearing an ionic constituent therein, forms a test sample of the solution and measures the concentration of the ionic constituent in solution in the test sample. The device measures conductivity of the test sample and calculates the concentration of free acid in the test sample based on the conductivity and the concentration of the ionic constituent in solution.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: August 25, 1998
    Assignee: Lakefield Research Ltd.
    Inventors: Richard C. Swider, Steven A. Webster