Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885327 | Flow control valve, oil pump assembly having the flow control valve, and scroll compressor | Meng Wang, Changqiao Bao | 2024-01-30 |
| 7937669 | Access control system with rules engine architecture | Liang Qian, Pu Xu | 2011-05-03 |
| 7764176 | Entry and exit confirmation system and method | Jichuang Xu, Wenhao Qin | 2010-07-27 |