Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11591250 | Furnace for relieving stress from glass products | Dominik Lippert, Wolfgang Kreger, Gottfried Haas | 2023-02-28 |
| 10654741 | Method for producing a glass tube with a cross section of a noncircular form by reshaping | Jonas Zeitler, Bernd Hoppe, Wolfgang Kreger, Gottfried Haas | 2020-05-19 |
| 8443850 | Filling device | Jurgen Sollner, Holger Müller | 2013-05-21 |
| 8431196 | Method for fixing the position of a glass tube or glass rod spiral in a glass tube, glass tube assembly and the application of the same | Reiner Bartsch, Franz Voelkl, Franz Jaeger, Karola Schneider | 2013-04-30 |
| 7007515 | Noble metal duct for conducting a glass melt and method for conducting a glass melt | Erhard Dick, Erich Fischer, Roland Fuchs | 2006-03-07 |
| 7000431 | Method of preventing schileren formation in a glass melt with same | Erhard Dick, Erich Fischer, Roland Fuchs | 2006-02-21 |