Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10414686 | Luminescent glass composition | Roy Debbage, Rainer Haid, Helmut Judmaier, Johannes Maier, Florian Meissl | 2019-09-17 |
| 7202188 | Lead- and barium-free crystal glass | Johannes Maier | 2007-04-10 |
| 5559061 | Gem comprised of a glass based on silicon oxide and calcium oxide | Norbert Bilek, Wolfgang Porcham, Michael Schlamadinger | 1996-09-24 |