Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11097954 | Method and system for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources | Yihua DAI, Rongfu CAI, Wenjun Ban, Chunhui Yang, Xinglong Wang +4 more | 2021-08-24 |
| 11077518 | Double-head double-sided high-efficiency friction stir welding device and welding method thereof | Hao Wang, Yuansong Zeng | 2021-08-03 |
| 11029151 | Traverse-type measurement method for dual-system bilateral-survey composite level | Yanchun Liu, Yao-Hong Liu | 2021-06-08 |