Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10076713 | Method and apparatus for the separation by distillation of a three- or multi-component mixture | Maximilian Aigner, Jan Prochaska | 2018-09-18 |
| 7708828 | Dust-free and pore-free, high-purity granulated polysilicon | Dieter Weidhaus, Ivo Crossmann | 2010-05-04 |
| 7708970 | Process for depositing polycrystalline silicon | Karl Hesse | 2010-05-04 |
| 7549600 | Apparatus and method for the low-contamination, automatic crushing of silicon fragments | Karl Hesse | 2009-06-23 |
| 6007869 | Process for preparing highly pure silicon granules | Hee Young Kim | 1999-12-28 |