Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013620 | Process and apparatus for the cost-effective packaging of polysilicon fragments | Rainer Hölzlwimmer | 2006-03-21 |
| 6946030 | Method for the production of a silica glass crucible with crystalline regions from a porous silica glass green body | Fritz Schwertfeger, Holger Szillat, Christoph Frey, Ulrich Lambert | 2005-09-20 |
| 6639192 | Deposition device for depositing semiconductor material on a heated substrate | Harald Hertlein, Karl Hesse | 2003-10-28 |
| 6444028 | Charging material and holding system for the charging material | Matthaus Schantz, Viktor Beer | 2002-09-03 |