Patents by Inventor Guenther Benhaar

Guenther Benhaar 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).

  • Publication number: 20130224493
    Abstract: A lithium-containing, transparent glass-ceramic material is provided. The material has low thermal expansion and has an amorphous, lithium-depleted, vitreous surface zone. The zone is at least 50 nm thick on all sides and encloses a crystalline interior, which has high transmission. The material includes a transition region connecting the zone and the interior.
    Type: Application
    Filed: July 7, 2011
    Publication date: August 29, 2013
    Applicant: SCHOTT AG
    Inventors: Falk Gabel, Otmar Becker, Michael Glasenapp, Jan-Peter Ortmann, Petra Grewer, Veit Luther, Harald Striegler, Dietmar Wennemann, Thomas Schuler, Thoralf Johansson, Helga Goetz, Michael Bug, Guenther Benhaar, Gerhard Hahn, Friedrich-Georg Schroeder