Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351501 | Glass ceramic article, method for producing same, and use thereof | Roland Dudek, Evelin Weiss | 2025-07-08 |
| 11639779 | Light reflection modification for fireplaces and other products | Theodore A. Wegert, Zachary D. Wimmer, Ulf Hoffmann, Thomas Zenker, Thomas Emmerich Maldonado | 2023-05-02 |
| 11059739 | Coloured stove sightglass with colour-neutral transmission characteristics | Matthias Wolfinger, Friedrich Siebers, Evelin Weiss, Matthias Bockmeyer, Oliver Hochrein | 2021-07-13 |
| 10562808 | Highly crystalline lithium aluminium silicate glass-ceramic and its use | Friedrich Siebers, Bernd Ruedinger, Evelin Weiss | 2020-02-18 |
| 10239779 | Glass ceramic and method for producing same | Friedrich Siebers, Evelin Weiss | 2019-03-26 |
| 10183888 | Glass ceramic substrate made of a transparent, colored LAS glass ceramic and method for producing it | Oliver Hochrein, Evelin Weiss, Roland Dudek, Uwe Martens | 2019-01-22 |
| 10106456 | Glass and glass ceramic | Evelin Weiss, Michael Bug, Friedrich Siebers, Thoralf Johansson | 2018-10-23 |
| 9862633 | Transparent lithium glass-ceramic material, production and use thereof | Otmar Becker, Michael Glasenapp, Jan-Peter Ortmann, Petra Grewer, Veit Luther +9 more | 2018-01-09 |
| 9834472 | Method for producing a glass ceramic with a predefined transmittance | Friedrich Siebers, Ulrich Schiffner, Evelin Weiss | 2017-12-05 |
| 9676654 | Method for producing angled glass ceramic components | Oliver Muehlke | 2017-06-13 |
| 9500373 | Fireplace | Roland Leroux, Torsten Gabelmann | 2016-11-22 |
| 9302931 | Glass ceramic article and method and device for ceramizing glass | Thoralf Johansson, Uwe Martens, Christian Roos, Friedrich-Georg Schroder | 2016-04-05 |
| 9296645 | Transparent low-color lithium aluminum silicate glass ceramic and the use thereof | Friedrich Siebers, Evelin Weiss, Klaus Schoenberger, Ulrich Schiffner | 2016-03-29 |
| 9249045 | Transparent lithium glass-ceramic material, production and use thereof | Otmar Becker, Michael Glasenapp, Jan-Peter Ortmann, Petra Grewer, Veit Luther +9 more | 2016-02-02 |
| 9018113 | Glass ceramic as a cooktop for induction heating having improved colored display capability and heat shielding, method for producing such a cooktop, and use of such a cooktop | Friedrich Siebers, Evelin Weiss | 2015-04-28 |
| 8993464 | High performance glass ceramics and method for producing high-performance glass ceramics | Eveline Rudigier-Voigt, Christian Henn, Roland Leroux, Lorenz Strenge, Roland Dudek | 2015-03-31 |
| 8460804 | Glass or glass-ceramic article coated with hard material and method for production thereof | Christian Henn | 2013-06-11 |
| 8409716 | Glass or glass-ceramic substrate with scratch-resistant coating and method for the production thereof | Niko Schultz, Christian Henn, Andreas Hahn | 2013-04-02 |
| 7205252 | Method of making a glass-ceramic article | Otmar Becker, Christian Roos, Bernd Ruedinger, Friedrich Siebers, Michael Bug +3 more | 2007-04-17 |
| 7174746 | Method and apparatus for ceramizing the starting glass of glass-ceramics | Ulrich Fotheringham, Hauke Esemann, Bernd Hoppe, Rudiger Sprengard, Michael Kluge | 2007-02-13 |
| 6843073 | Method and apparatus for ceramizing the starting glass of glass-ceramics | Ulrich Fotheringham, Hauke Esemann, Bernd Hoppe, Rudiger Sprengard, Michael Kluge | 2005-01-18 |