Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11698063 | Hydraulic end assembly structure of a plunger pump | Baoguo Jian, Haiping Cui, Wenping Cui | 2023-07-11 |
| 11607889 | Remanufactured ink cartridge and electronic patch | Tao Gao, Fengjun Song | 2023-03-21 |