Patents by Inventor Everett E. Gibbons

Everett E. Gibbons 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).

  • Surface tensiometer
    Patent number: 4416148
    Abstract: Apparatus for measuring the surface tension of a liquid contained in a flow-through pressure vessel (60) includes a pair of tubes (50,51) having small and large orifices positioned below the surface of the liquid. A source (10) provides gas through a pressure regulator (15) and a flow regulator (30) to the tubes. The bubble rate from the orifices is controlled by needle valves (40,41) and is made independent of the pressure in the vessel by the flow regulator (30). Differential pressure transducer (70) measures the pressure in the tubes as an indication of surface tension. Check valves (72,73) protect the transducer, and a thermometer (65) measures liquid temperature.
    Type: Grant
    Filed: February 6, 1981
    Date of Patent: November 22, 1983
    Assignee: Madison-Kipp Corporation
    Inventors: John P. Klus, Everett E. Gibbons, Eric L. Brodsky, Victor P. Janule