Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912874 | Device and process for introducing gases into a hot medium | Christian Kunert, Werner Kiefer, Hildegard Roemer | 2005-07-05 |
| 6899954 | Cadmium-free optical steep edge filters | Helge Vogt, Simone Monika Ritter, Burkhard Speit, Hans-Werner Schock, Christine Köble +1 more | 2005-05-31 |
| 6889527 | Skull pot for melting or refining inorganic substances, especially glasses and glass ceramics | Hildegard Römer, Guido Räke | 2005-05-10 |
| 6852657 | Optical colored glasses | Ruediger Hentschel, Simone Monika Ritter | 2005-02-08 |
| 6848275 | Method for melting or refining glasses or glass ceramics | Hildegard Römer, Frank-Thomas Lentes, Günter Weidmann | 2005-02-01 |