Issued Patents 2025
Showing 1–1 of 1 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 |