Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10589318 | Classifying polysilicon | Andreas Schneider, Peter Gruebl, Reiner Pech | 2020-03-17 |
| 10537899 | Silicon seed particles for the production of polycrystalline silicon granules in a fluidized bed reactor | Gerhard Forstpointner | 2020-01-21 |
| 10335832 | Apparatus and method for classifying and dedusting granular polysilicon | Michael Fricke, Martin Brixel, Robert Enggruber | 2019-07-02 |
| 10118830 | Method for producing granular polysilicon | Robert Enggruber | 2018-11-06 |
| 9296616 | Granular polycrystalline silicon and production thereof | Harald Hertlein, Dieter Weidhaus | 2016-03-29 |
| 8802046 | Granular polycrystalline silicon and production thereof | Dirk Weckesser | 2014-08-12 |
| 8722141 | Process for the continuous production of polycrystalline high-purity silicon granules | Dieter Weidhaus, Harald Hertlein | 2014-05-13 |
| 7922990 | Method and device for producing granulated polycrystalline silicon in a fluidized bed reactor | Harald Hertlein | 2011-04-12 |