Patents by Inventor Klaus-Peter Hanke

Klaus-Peter Hanke 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).

  • Flashed glass
    Patent number: 4473612
    Abstract: A phototropic multilayered glass sheet incorporating at least two interfacially laminated layers, one layer consisting of a nonphototropic carrier glass, and at least one other layer consisting of a phototropic glass. In manufacture, at least one of the glass streams is characterized by having a viscosity of less than 10.sup.7.6 d PAS at the location where the streams are brought together.
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: September 25, 1984
    Assignee: Deutsche Spezialglas AG
    Inventors: Werner Behr, Georg Gliemeroth, Klaus-Peter Hanke