Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411065 | Fine detection device and method for crack initiation and propagation of rock specimen during loading process | Pingsong Zhang, Chang Liu | 2025-09-09 |
| 12379289 | Multi-scale and multi-parameter collaborative testing device and method for true triaxial hydraulic fracturing | Pingsong Zhang, Chang Liu | 2025-08-05 |