Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795946 | Mud motor rotor with core and shell | Anton Kolyshkin | 2023-10-24 |
| 11603546 | Method for preparing modified starch and use thereof | Hui Li, Jiahao Li, Yifan Gui, Bo Cui | 2023-03-14 |
| 11578248 | Emulsifiers for direct emulsion drilling fluids | Catherine Martin Santos | 2023-02-14 |
| 11566158 | Quaternary ammonium emulsion breakers | Catherine Martin Santos | 2023-01-31 |