Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10156139 | Device for back soil disturbance in shield tunnel | Jing HOU, Jie Zhang, Yangchun Dai, Kewei Cui | 2018-12-18 |
| 10041223 | Method for tackling repelling of hammering during pipe pile driving | Haifeng Qi, Jing HOU, Zhenqiang Jiang, Caiyun Huan, Bo Jin | 2018-08-07 |
| 9963852 | Test method for friction resistance at inner and outer sidewalls of pipe pile | Haifeng Qi, Jing HOU, Zhenqian Jiang, Yongyong Zhang, Guobin WANG | 2018-05-08 |