Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199265 | Pipe connection compensation device by magnetic fluid sealing | Houlin Liu, Zilong Zhang, Kaikai Luo, Yong Wang, Liang Dong +1 more | 2021-12-14 |
| 11085244 | Anti-collapse jet grouting drill bit with bi-directional rib wings, grouting consolidation system and method | Shucai Li, Qingsong Zhang, Guangming Pan, Rentai Liu, Xiao Lin Zhang +5 more | 2021-08-10 |
| 10988397 | Integrated greening device and method for recycling wastewater | Qiong Wan, Zhiyan Li, Xuhui Zhou, Li Zhang, Liu Yu +4 more | 2021-04-27 |
| 10932977 | Waist rotating mechanism | Ruopeng Liu, Jing Li, Guoxuan Zhang, Liangxuan Shu | 2021-03-02 |