Patents by Inventor Gelmut Patzelt

Gelmut Patzelt 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).

  • Process for direct determination of complex corrosive environmental conditions
    Patent number: 5075235
    Abstract: A process is described for direct determination of complex corrosive environmental conditions, which comprises exposing a glass surface to the environment and examing the glass surface before and after exposure using a measurement method based on radiation, in particular a IR-spectroscopic method, in order to determine corrosion effects, in particular water absorption and ion exchange. Glass sensors suitable for use in this process are likewise described.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: December 24, 1991
    Assignee: Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Dieter Fuchs, Gelmut Patzelt, Gerhard Tunker