Patents by Inventor Ehrhardt Teubner

Ehrhardt Teubner 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).

  • Spark chamber for a vacuum emission spectrometer
    Patent number: 4289402
    Abstract: A spark chamber for a vacuum emission spectrometer with a housing, which accommodates an anode, as well as a sample table plate carried by the housing, on which the piece of material being inspected and making up the cathode is placed and which carries a spark centering plate. The sample plate (5) includes a molded laminate material, whose sides (501) facing the anode (23) has a polished surface.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: September 15, 1981
    Assignee: Schubert & Salzer
    Inventor: Ehrhardt Teubner