Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335832 | Apparatus and method for classifying and dedusting granular polysilicon | Michael Fricke, Martin Brixel, Rainer Hauswirth | 2019-07-02 |
| 10118830 | Method for producing granular polysilicon | Rainer Hauswirth | 2018-11-06 |