Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D994670 | Hub | — | 2023-08-08 |
| 11673297 | Molding method for producing a stator for a screw drilling tool using elastomer material | Dingyu Guo, Hongrui Zhang, Minghui Zhu, Zhuanrui Liu, Paul Kwong Shun Cheung +1 more | 2023-06-13 |
| 11555087 | Prepolymer of elastomer material for screw drilling tool and preparation method thereof | Dingyu Guo, Hongrui Zhang, Minghui Zhu, Zhuanrui Liu, Paul Kwong Shun Cheung +1 more | 2023-01-17 |