Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359567 | Blast hole arrangement structure used for blasting for rheological soft-weak surrounding rock tunnel and construction method for rheological soft-weak surrounding rock tunnel | Xin Zhang, Jinshan Sun, Daqi Hu | 2025-07-15 |
| 12044463 | Refrigerator | Zhenfei Jia, Weilun Zhang, Dong Guo | 2024-07-23 |
| 11988494 | Piston-type explosive loading and blasting structure and method for hard rock cable pit | Xin Zhang, Jinshan Sun | 2024-05-21 |
| 11686198 | Reinforcement system at railway tunnel section passing through karst cave with large dip angle and construction method | Xin Zhang, Zhitao Zhao, Jufa Xi, Baoxin Jia, Jiashun Liu | 2023-06-27 |
| 9358497 | Ionic liquid solvent and gas purification method using the same | Yansong Zhao, Shaojuan Zeng, Suojiang Zhang, Haifeng Dong, Yingpeng Zhen +1 more | 2016-06-07 |
| 8658842 | Process for producing ethylene glycol catalyzed by ionic liquid | Suojiang Zhang, Jian Sun, Weiguo Cheng, Jinquan Wang, Jianxin Zhang +1 more | 2014-02-25 |