Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549222 | Vertical ground heat exchanger for reducing temperature in carbonaceous shale rock mass and preventing roadbed frost heave | Baolong Zhu | 2023-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549222 | Vertical ground heat exchanger for reducing temperature in carbonaceous shale rock mass and preventing roadbed frost heave | Baolong Zhu | 2023-01-10 |