Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339250 | Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead | Jianbo Wu, Chengjun Deng | 2025-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339250 | Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead | Jianbo Wu, Chengjun Deng | 2025-06-24 |