Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085073 | Valve spring fixing device and plunger pump | Wenjie Deng, Baoguo Jian, Weichen Liu, Peng Li, Jixin Wang +4 more | 2024-09-10 |
| 12006955 | Anti-loosening device and plunger pump | Chen Jiang, Xiaobin Li, Haiping Cui | 2024-06-11 |
| 11828236 | Speed reducer and fracturing apparatus | Haiping Cui, Wenping Cui | 2023-11-28 |
| D975109 | Portable electronic device with animated graphical user interface | Zelong Li | 2023-01-10 |
| 10859203 | High-low pressure lubrication system for high-horsepower plunger pump | Haiping Cui, Wenping Cui, Jixin Wang, Peng Li, Wenjie Deng | 2020-12-08 |