Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10836947 | Water-based drilling fluids for deepwater drilling and use thereof | Mingbiao Xu, Zhong Li, Yanjun Li, Hexing Liu, Shanshan Zhou | 2020-11-17 |
| 10793759 | Sulfur- and phosphorus-free extreme pressure lubricant and preparation method and application thereof | Mingbiao Xu, Shanshan Hou, Jiao Wu | 2020-10-06 |