Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066310 | Crude oil flow metering device | Xinhua Li, Haifeng Tian, Hailin Kong, Dedong Kong, Guohua Xu | 2024-08-20 |
| 11873713 | Oil well monitoring apparatus and method | Haifeng Tian, Xinhua Li | 2024-01-16 |