Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9296616 | Granular polycrystalline silicon and production thereof | Harald Hertlein, Rainer Hauswirth | 2016-03-29 |
| 8975563 | Method and apparatus for the contamination-free heating of gases | Paul Fuchs | 2015-03-10 |
| 8722141 | Process for the continuous production of polycrystalline high-purity silicon granules | Rainer Hauswirth, Harald Hertlein | 2014-05-13 |
| 7708828 | Dust-free and pore-free, high-purity granulated polysilicon | Ivo Crossmann, Franz Schreieder | 2010-05-04 |
| 7490785 | Process and apparatus for comminuting silicon | — | 2009-02-17 |
| 7029632 | Radiation-heated fluidized-bed reactor | Alexander Hayduk | 2006-04-18 |