Patents by Inventor Joseph L. Messens

Joseph L. Messens 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 determining the dynamic surface potential of a solution
    Patent number: 4463316
    Abstract: Method and apparatus of determining the dynamic surface potential of a solution, wherein a steady stream of the solution is formed, and the surface potential at a free surface of the stream of solution is measured by means of a rotary electrode that rotates in close vicinity of, but separated from, the free surface of the solution, and is mounted within an electrically grounded chamber.
    Type: Grant
    Filed: July 7, 1982
    Date of Patent: July 31, 1984
    Assignee: AGFA-Gevaert N.V.
    Inventors: Joseph L. Messens, Frans J. Ville, Roland F. Beels