Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802850 | Energy efficient high-temperature refining | Volker Ohmstede, Stefan Bauer, Holger Hunnius, Guenter Weidmann | 2017-10-31 |
| 7231788 | Method and device for refining a glass melt using negative pressure | Frank Karetta, Joerg Witte, Klaus-Dieter Duch, Dirk Gohlke, Allen Jakway +2 more | 2007-06-19 |
| 6883350 | Debiteuse made of ceramic for plate glass production | Erich Rodek, Carsten Weinhold, Rudolf Singer | 2005-04-26 |