Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10675407 | Tungsten containing forming mandrel for glass forming | Xaver Jud, Alexander Humbertjean | 2020-06-09 |
| 8337946 | Coated noble metal elements for glass production | Franz Ott, Dirk Gohlke | 2012-12-25 |
| 8104309 | Method and casting mold for manufacturing a quartz glass body | Manfred Borens, Franz-Peter Eckes, Janus Zborowski, Karsten V. Westernhagen, Stefano Merolla +2 more | 2012-01-31 |
| 7648732 | Coated metal elements for producing glass | Franz Ott, Dirk Gohlke | 2010-01-19 |
| 7338714 | Coated metal element used for producing glass | Franz Ott, Dirk Gohlke | 2008-03-04 |
| 7231788 | Method and device for refining a glass melt using negative pressure | Frank Karetta, Klaus-Dieter Duch, Dirk Gohlke, Wolfgang Muench, Allen Jakway +2 more | 2007-06-19 |