Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392230 | Method and system for multistage pulse hydraulic fracturing in directional long drilling of coal and rock seams in underground mines | Xinglong ZHAO, Shuliang Chen, Luying Shao, Haoze Li | 2025-08-19 |
| 11299954 | Fracturing relief method for stress concentration of remaining ore pillars in overlying goaf | Luying Shao, Xinglong ZHAO, Shuliang Chen | 2022-04-12 |
| 11085279 | Stress-transfer method in tunnel with high ground pressure based on fracturing ring | Jiangwei Liu, Xinglong ZHAO, Shuliang Chen | 2021-08-10 |
| 10941641 | Long-distance drilling and hydrofracturing integrated device and method in underground mine | Haoze Li, Shuliang Chen | 2021-03-09 |
| 9921202 | Integrated experimental system of hydrofracturing, water jet slotting, seepage and gas displacement under true triaxial stress | — | 2018-03-20 |