Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869561 | Method and a device for the refining of glass | Erich Rodek, Wolfgang Schmid-Bauer, Hilgegard Römer, Günter Weidmann | 2014-10-28 |
| 8424342 | Melting and refining in tanks with cooled walls | Hildegard Römer, Frank-Thomas Lentes, Guido Räke, Volker Ohmstede, Karin Naumann +4 more | 2013-04-23 |
| 7694533 | Method for the refining of glass | Erich Rodek, Wolfgang Schmid-Bauer, Hilgegard Römer, Günter Weidmann | 2010-04-13 |
| 7137277 | Method and device for producing colored glasses | Hildegard Römer, Wolfgang Schmidbauer | 2006-11-21 |
| 7010941 | Coating of cooled devices | Christian Kunert, Uwe Kolberg, Hildegard Römer, Volker Ohmstede | 2006-03-14 |
| 6912874 | Device and process for introducing gases into a hot medium | Christian Kunert, Hildegard Roemer, Uwe Kolberg | 2005-07-05 |
| 6817212 | Skull pot for melting or refining glass or glass ceramics | Hildegard Römer, Uwe Kolberg, Guido Räke, Michael Kohl, Wolfgang Schmidbauer | 2004-11-16 |
| 6810689 | Process for the melting, refining and homogenizing of glass melts | Hildegard Römer, Wolfgang Schmidbauer, Thomas Pfeiffer, Guido Räke | 2004-11-02 |
| 6698244 | Method for refining molten glass | Hildegard Römer, Detlef Köpsel, Peter Nass, Erich Rodek, Uwe Kolberg +1 more | 2004-03-02 |
| 6630420 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Norbert Greulich-Hickmann, Uwe Kolberg, Simone Monika Ritter | 2003-10-07 |
| 6627569 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Norbert Greulich-Hickmann, Uwe Kolberg | 2003-09-30 |
| 6588234 | Device and method of plaining glasses or glass-ceramics | Uwe Kolberg, Hildegard Römer, Stefan Schmitt, Wolfgang Schmidbauer | 2003-07-08 |
| 6577667 | Skull pot for melting or refining inorganic substances | Hildegard Römer, Wolfgang Schmidbauer, Guido Räke, Frank-Thomas Lentes | 2003-06-10 |
| 6414982 | Device for melting and/or refining inorganic compounds | Guido Räke, Michael Kohl, Hildegard Römer, Wolfgang Schmidtbauer | 2002-07-02 |
| 5763343 | Fire retardant safety glass | Peter Brix, Roland Leroux | 1998-06-09 |
| 5656558 | Fire retardant safety glass | Peter Brix, Roland Leroux | 1997-08-12 |
| 5633090 | Lead-and cadmium-free glass composition for glazing, enameling and decorating glass | Erich Rodek, Friedrich Siebers | 1997-05-27 |
| 5127931 | Process for ion exchange on glass or glass ceramic | Erich Rodek | 1992-07-07 |
| 5096814 | Macroporous and microporous inorganic carrier for immobilization of cells | Alexander Aivasidis, Christian Wandrey | 1992-03-17 |
| 5079196 | Fiber reinforced composites and process for manufacture | Nanning Joerg Arfsten, Wolfgang Pannhorst, Hartmut Hegeler, Christian Reich, Rolf Bruckner | 1992-01-07 |
| 5045509 | UV-transparent glass | — | 1991-09-03 |
| 4987068 | Porous inorganic support spheres which can be cleaned of surface biomass under fluidized bed conditions | Walter Trosch, Karlheinz Lohmann, Hans Durolf | 1991-01-22 |
| 4927442 | Method of producing open-pore sintered glass filters and product | Norbert Greulich, Veronika Rehm | 1990-05-22 |
| 4904291 | Process for the manufacture of open porous sintered bodies being prepronderantly composed of glass ceramics | Friedrich Siebers, Maria Sura | 1990-02-27 |
| 4870034 | Borosilicate glass | — | 1989-09-26 |