Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8424342 | Melting and refining in tanks with cooled walls | Werner Kiefer, Frank-Thomas Lentes, Guido Räke, 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 | Guido Räke, 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 | Michael Leister, Uwe Kolberg, Karl Mennemann, Guido Räke, Ernest Walter Schäfer +2 more | 2008-11-04 |
| 7137277 | Method and device for producing colored glasses | Werner Kiefer, Wolfgang Schmidbauer | 2006-11-21 |
| 7010941 | Coating of cooled devices | Christian Kunert, Uwe Kolberg, Werner Kiefer, Volker Ohmstede | 2006-03-14 |
| 6889527 | Skull pot for melting or refining inorganic substances, especially glasses and glass ceramics | Uwe Kolberg, Guido Räke | 2005-05-10 |
| 6871514 | Method of making glass, a method and device for the control and setting of the redox state of redox fining agents in a glass melt | Wolfgang Muschik, Rainer Eichholz, Paul Kissl, Johann Collignon, Reinhard Zintl | 2005-03-29 |
| 6854291 | Method for nozzle-injection of gas into molten glass | Nicole Surges, Paul Kissl, Thomas Kirsch | 2005-02-15 |
| 6848275 | Method for melting or refining glasses or glass ceramics | Uwe Kolberg, Frank-Thomas Lentes, Günter Weidmann | 2005-02-01 |
| 6829909 | Method for heating glass semi-finished products above the adhesion temperature | Andreas Langsdorf | 2004-12-14 |
| 6817212 | Skull pot for melting or refining glass or glass ceramics | Uwe Kolberg, Guido Räke, Werner Kiefer, Michael Kohl, Wolfgang Schmidbauer | 2004-11-16 |
| 6810689 | Process for the melting, refining and homogenizing of glass melts | Werner Kiefer, Wolfgang Schmidbauer, Thomas Pfeiffer, Guido Räke | 2004-11-02 |
| 6802189 | Device and process for the remelting of glass | Andreas Langsdorf, Paul Kissl | 2004-10-12 |
| 6757317 | Device for melting or purifying of inorganic sustances | Christian Kunert, Uwe Kolberg | 2004-06-29 |
| 6751989 | Device and method for melting or refining glass or glass ceramics | Wolfgang Schmidbauer, Guido Räke | 2004-06-22 |
| 6712298 | Method and device for crushing glass bodies by means of microwave heating | Uwe Kohlberg, Michael Kohl, Thorsten Gerdes | 2004-03-30 |
| 6698244 | Method for refining molten glass | Werner Kiefer, Detlef Köpsel, Peter Nass, Erich Rodek, Uwe Kolberg +1 more | 2004-03-02 |
| 6588234 | Device and method of plaining glasses or glass-ceramics | Werner Kiefer, Uwe Kolberg, Stefan Schmitt, Wolfgang Schmidbauer | 2003-07-08 |
| 6577667 | Skull pot for melting or refining inorganic substances | Wolfgang Schmidbauer, Werner Kiefer, Guido Räke, Frank-Thomas Lentes | 2003-06-10 |
| 6414982 | Device for melting and/or refining inorganic compounds | Guido Räke, Michael Kohl, Wolfgang Schmidtbauer, Werner Kiefer | 2002-07-02 |