Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975809 | Coating system based on a combination of monoaluminum phosphate with magnesium oxide | Christian Graf, Kirstin Lippold | 2018-05-22 |
| 8661852 | Device and method for the continuous fining of glasses with high purity requirements | Volker Ohmstede, Guenter Weidmann | 2014-03-04 |
| 8424342 | Melting and refining in tanks with cooled walls | Werner Kiefer, Hildegard Römer, Frank-Thomas Lentes, Guido Räke, Volker Ohmstede +4 more | 2013-04-23 |
| 8365555 | Method and system for producing glass, in which chemical reduction of glass components is avoided | Uwe Kolberg, Simone Monika Ritter, Silke Wolff | 2013-02-05 |
| 8347655 | Method and system for producing glass, in which chemical reduction of glass components is avoided | Uwe Kolberg, Simone Monika Ritter, Silke Wolff | 2013-01-08 |
| 7444837 | Method and device for melting glass using an induction-heated crucible with cooled crust | Hildegard Römer, Uwe Kolberg, Karl Mennemann, Guido Räke, Ernest Walter Schäfer +2 more | 2008-11-04 |
| 7296441 | Device and method for melting a substance with the occurrence of a low level of contamination | Ernst-Walter Schafer, Leopold Eichberg, Volker Ohmstede | 2007-11-20 |
| 7024888 | Method for changing glass compositions in melting installations, and corresponding melting installation | Guido Räke, Volker Ohmstede, Sybill Nüttgens, Christoph Leuwer | 2006-04-11 |