Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8989344 | System and method for measuring ash content and calorified value of coal | Qian Lin, Jianping Cheng | 2015-03-24 |
| 8953741 | System and method for measuring ash content and calorified value of coal | Lin Qian | 2015-02-10 |
| 7098409 | Apparatus for weighing materials online | Manchun Liang, Zhikang Zhang, Qian Lin, Yonggeng Qian | 2006-08-29 |