Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214127 | Calibration method for oxygen sensor, medical ventilation system, anesthetic machine, and ventilator | Congying WAN, Wei-I Ling, Chao Wang, Dongsheng Liang | 2025-02-04 |
| 10843432 | Multilayer water pipe for mining operations | Ying Na, Yonglei Xu, Haiyang Gan | 2020-11-24 |
| 10584809 | Water pipe for mining operations | Ying Na, Yonglei Xu | 2020-03-10 |
| D861938 | Rechargeable keychain light | Jun Liu, Zhenzhen Han | 2019-10-01 |
| D854209 | Flashlight with multi-way switch | Jun Liu | 2019-07-16 |