Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643881 | Composite shock absorber for polycrystalline diamond compact bit | Wei Li, Siqi Li, Jingming Gai, Wenfeng Sun, Huan Zhao | 2023-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643881 | Composite shock absorber for polycrystalline diamond compact bit | Wei Li, Siqi Li, Jingming Gai, Wenfeng Sun, Huan Zhao | 2023-05-09 |