Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815087 | Automatic system and method for disassembly and assembly of plunger pumps | Ruijie DU, Liang LV, Sheng Chang, Jifeng ZHONG | 2023-11-14 |
| 11668289 | Fracturing apparatus | Sheng Chang, Shuzhen CUI, Liang LV, Jifeng ZHONG, Chunqiang Lan +2 more | 2023-06-06 |
| 11603797 | Compartment unit for turbine engine | Rikui Zhang, Peng Zhang, Chunqiang Lan, Sheng Chang, Ruijie DU +1 more | 2023-03-14 |