Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10048178 | Rock specimen and method for testing direct tensile strength of the same | Jianfeng Liu, Heping Xie, Lu Wang, Jianliang Pei, Yu Bian +4 more | 2018-08-14 |
| 10018594 | Fixing device for acoustic emission test sensors for rock damage testing | Jianfeng Liu, Heping Xie, Yang Ju, Lu Wang, Huining Xu +4 more | 2018-07-10 |
| 10006887 | Adjustable fixing device for acoustic emission test sensors for rock damage testing | Jianfeng Liu, Yang Ju, Jianliang Pei, Lu Wang, Huining Xu +2 more | 2018-06-26 |
| 9714891 | Rock fixing device with hydraulic-spring combination and position-limiting chuck for direct tensile test | Jianfeng Liu, Heping Xie, Yang Ju, Huining Xu, Lu Wang +3 more | 2017-07-25 |
| 9574980 | Position-limit device with spring components for direct tensile test | Jianfeng Liu, Heping Xie, Yang Ju, Yong Xiang, Huining Xu +3 more | 2017-02-21 |
| 9500574 | Rock sample fixing device with three-jaw chuck for cyclic tension and compression test | Jianfeng Liu, Yang Ju, Jianliang Pei, Huining Xu, Lu Wang +1 more | 2016-11-22 |