Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851333 | Method for stepwise extraction of silica and hydroxide from silicate substances | Wendi Yin, Hua Yan, Minmin Zhang, Tao Liu, Cunquan Wang | 2023-12-26 |
| 11486201 | Fixed cutting structure-composite cone drill bit | Yuchun Kuang, Qin Wang, Lian Chen | 2022-11-01 |