Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8424342 | Melting and refining in tanks with cooled walls | Werner Kiefer, Hildegard Römer, Frank-Thomas Lentes, Volker Ohmstede, Karin Naumann +4 more | 2013-04-23 |
| 7905115 | Glass powder, especially biologically active glass powder, and method for producing glass powder, especially biologically active glass powder | Hildegard Römer, Peter Schreckenberg, Jose Zimmer, Frank Büllesfeld, Jorg Fechner +2 more | 2011-03-15 |
| 7444837 | Method and device for melting glass using an induction-heated crucible with cooled crust | Hildegard Römer, Michael Leister, Uwe Kolberg, Karl Mennemann, Ernest Walter Schäfer +2 more | 2008-11-04 |
| 7024888 | Method for changing glass compositions in melting installations, and corresponding melting installation | Volker Ohmstede, Michael Leister, Sybill Nüttgens, Christoph Leuwer | 2006-04-11 |
| 6889527 | Skull pot for melting or refining inorganic substances, especially glasses and glass ceramics | Hildegard Römer, Uwe Kolberg | 2005-05-10 |
| 6817212 | Skull pot for melting or refining glass or glass ceramics | Hildegard Römer, Uwe Kolberg, Werner Kiefer, Michael Kohl, Wolfgang Schmidbauer | 2004-11-16 |
| 6810689 | Process for the melting, refining and homogenizing of glass melts | Hildegard Römer, Werner Kiefer, Wolfgang Schmidbauer, Thomas Pfeiffer | 2004-11-02 |
| 6751989 | Device and method for melting or refining glass or glass ceramics | Wolfgang Schmidbauer, Hildegard Römer | 2004-06-22 |
| 6577667 | Skull pot for melting or refining inorganic substances | Hildegard Römer, Wolfgang Schmidbauer, Werner Kiefer, Frank-Thomas Lentes | 2003-06-10 |
| 6414982 | Device for melting and/or refining inorganic compounds | Michael Kohl, Hildegard Römer, Wolfgang Schmidtbauer, Werner Kiefer | 2002-07-02 |