Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891318 | Method and apparatus for direct drying of inorganic sludge with drum drawing process | Yingjie Wang, Yongqian Li | 2024-02-06 |
| 11519043 | Roller treatment process and treatment device suitable for total-amount steel slag treatment | Yongqian Li, Yin Liu, Youping Zhang, Mengqin XIE | 2022-12-06 |
| 10581239 | Device and method for protecting direct current source | Renxian Cao, Yin Yuan, Baoqi Liu, Xiaoyu Chen | 2020-03-03 |
| 9906022 | Cascaded multilevel converter self-test system and self-test method for the same | Baoqi Liu, Liying Xue, Zhihuai Zeng | 2018-02-27 |
| 9084999 | Processing method and system for high-temperature solid steel slag | Yongqian Li, Yin Liu, Jian Cui | 2015-07-21 |
| 7943083 | Drum apparatus for treating slag | Hua Chen, Yin Liu, Yongqian Li | 2011-05-17 |
| 6984774 | Method and materials to induce recombination in plants | Thomas Peterson | 2006-01-10 |