Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746101 | Chemical products for surface protection | Charles Li Zha | 2023-09-05 |
| 11746281 | Crosslinked proppant-gel matrix | Charles Li Zha | 2023-09-05 |
| 11702538 | Chemical products for adhesive applications | Charles Li Zha | 2023-07-18 |
| 11643588 | Multiple functional wellbore fluid additive | Li Jiang, Fenglou Zou | 2023-05-09 |
| 11578242 | Chemical products for adhesive applications | Charles Li Zha, Leo Elder, John W. Green | 2023-02-14 |