Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9927130 | Glass ceramic cooktop with knob pattern | Dennis Puntheller, Klaus Frank, Gerold Ohl | 2018-03-27 |
| 9862633 | Transparent lithium glass-ceramic material, production and use thereof | Falk Gabel, Otmar Becker, Michael Glasenapp, Petra Grewer, Veit Luther +9 more | 2018-01-09 |
| 9249045 | Transparent lithium glass-ceramic material, production and use thereof | Falk Gabel, Otmar Becker, Michael Glasenapp, Petra Grewer, Veit Luther +9 more | 2016-02-02 |