Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8580205 | Method and apparatus for improving the efficiency of purification and deposition of polycrystalline silicon | — | 2013-11-12 |
| 8354088 | Methods and apparatus for recovery of silicon and silicon carbide from spent wafer-sawing slurry | — | 2013-01-15 |
| 7820126 | Method and apparatus for improving the efficiency of purification and deposition of polycrystalline silicon | — | 2010-10-26 |
| 5609919 | Method for producing droplets | Ding Yuan, Hani Henein | 1997-03-11 |
| 5174860 | Low temperature recovery of kraft black liquor | Adriaan Reinhard Pieter van Heiningen, Jian Li | 1992-12-29 |