Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11312652 | Transparent, dyed cook top or hob with improved colored display capability and a method for the manufacturing of such a cook top or hob | Friedrich Siebers, Wolfgang Schmidbauer, Klaus Schoenberger | 2022-04-26 |
| 10562807 | Transparent, dyed cook top or hob with improved colored display capability and a method for the manufacturing of such a cook top or hob | Friedrich Siebers, Wolfgang Schmidbauer, Klaus Schoenberger | 2020-02-18 |
| 9834472 | Method for producing a glass ceramic with a predefined transmittance | Falk Gabel, Friedrich Siebers, Evelin Weiss | 2017-12-05 |
| 9676643 | Method for producing glasses, glass ceramics and the use of same | Frank-Thomas Lentes, Karin Naumann, Friedrich Siebers, Christian MUELLER, Klaus Schoenberger +1 more | 2017-06-13 |
| 9296645 | Transparent low-color lithium aluminum silicate glass ceramic and the use thereof | Friedrich Siebers, Evelin Weiss, Klaus Schoenberger, Falk Gabel | 2016-03-29 |
| 9199873 | Process for producing a highly transparent impact-resistant glass ceramic | Thilo Zachau, Friedrich Siebers, Kurt Schaupert | 2015-12-01 |
| 9061937 | Transparent, dyed cooktop having improved color display capability, and method for producing such a cooktop | Friedrich Siebers, Wolfgang Schmidbauer, Klaus Schönberger | 2015-06-23 |
| 8685873 | Lithium-aluminosilicate glass with short glazing times | Friedrich Siebers, Wolfgang Schmidbauer, Klaus Schönberger | 2014-04-01 |
| 8404350 | Highly transparent impact-resistant glass ceramic | Thilo Zachau, Friedrich Siebers, Kurt Schaupert | 2013-03-26 |
| 7981823 | Transparent glass ceramic plate that has an opaque, colored bottom coating over the entire surface or over part of the surface | Friedrich Siebers, Wolfgang Schmidbauer, Klaus Schönberger, Petra Grewer, Erich Rodek | 2011-07-19 |