Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8250996 | Process and apparatus for burning coal instead of oil | Zhongcheng Huang, Zhigang Huang | 2012-08-28 |
| 5049163 | Process for reducing sulphur dioxide emission from burning coal containing sulphur | Zhongcheng Huang, Xiaoxu Lei | 1991-09-17 |