Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339250 | Magnetic flux leakage and electromagnetic acoustic transducer joint testing device and method for drill pipe at wellhead | RUI KE, Chengjun Deng | 2025-06-24 |
| 12286701 | Preparation method for tungsten sulfide solid lubricating film based on high power impulse magnetron sputtering | Ping Zhang, Puyou Ying, Vladimir Levchenko, Tao Yang, Changhong Lin +1 more | 2025-04-29 |
| 12259312 | System for monitoring internal corrosion of pipeline based on radio-frequency identification (RFID) | Muchao Zhang, Yawen Lan | 2025-03-25 |