Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981824 | Quartz glass blank and method for producing said blank | Wolfgang Englisch, Ralf Takke, Bodo Kuehn, Bruno Uebbing | 2011-07-19 |
| 7637126 | Method for the production of laser-active quartz glass and use thereof | Bodo Kuehn, Waltraud Werdecker, Ulrich Kirst, Walter Lehmann | 2009-12-29 |
| 6849242 | Porous silica granule, method for producing the same, and method for producing synthetic quartz glass powder using the porous silica granule | Fritz-Ulrich Kreis, Klaus Arnold, Hiroshi Matsui, Kasumi Hoshikawa, Tsukasa Sakaguchi | 2005-02-01 |
| 6660671 | Method of producing a composite material having a high SiO2 content, composite material obtained according to the method, and permanent mold made thereof | Waltraud Werdecker, Udo Gertig, Johann Leist | 2003-12-09 |