Patents by Inventor Hans W. Buhler

Hans W. Buhler 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).

  • Measuring probe for the potentiometric determination of ion concentrations
    Patent number: 4959138
    Abstract: A measuring probe in which the electrolyte is in the form of a highly viscous gel produced in situ from an ion-permeable polymer and a neutral salt suspension. Homogeneously suspended neutral salt particles in the gel cause the gel to have a turbid appearance which disappears progressively as the suspended neutral salt particles pass into solution, thus indicating at all times the state of aging of the electrolyte. The additional presence of silica gel renders the probe potential resistant to pressures in excess of 10 bars.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: September 25, 1990
    Assignee: Ingold Messtechnik AG
    Inventors: Heinz-Jurgen Brinkmann, Hans W. Buhler, Albert Lohrum