Issued Patents 2023
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1006073 | Polycrystalline diamond compact with a raised surface sloping to a peripheral extension | Haijiang Fang, Yongfeng Wang, Jian Yang | 2023-11-28 |
| D1006074 | Polycrystalline diamond compact with a raised triangular structure | Haijiang Fang, Yongfeng Wang, Jian Yang | 2023-11-28 |
| 11772977 | Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom | Haijang Fang, Yongfeng Wang, Dongpeng Zhao | 2023-10-03 |
| D997219 | Polycrystalline diamond compact with a double-layer structure | Haijiang Fang, Yongfeng Wang, Jian Yang | 2023-08-29 |
| D989827 | Drill bit | Haijiang Fang, Yongfeng Wang | 2023-06-20 |
| D989826 | Drill bit | Haijiang Fang, Yongfeng Wang | 2023-06-20 |
| D982632 | Drill bit | Haijiang Fang, Yongfeng Wang | 2023-04-04 |
| D982631 | Drill bit | Haijiang Fang, Yongfeng Wang | 2023-04-04 |
| D982046 | Drill bit | Haijiang Fang, Yongfeng Wang | 2023-03-28 |