Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808682 | Oil-gas-water three-phase automatic metering device and method | Jun Zheng, Hongbo Liu | 2023-11-07 |
| 9402172 | Message combination method and device | Feijun Li | 2016-07-26 |
| 9178845 | Method, client device, server system for parsing a data usage value | Feijun Li, Shengrong Chen | 2015-11-03 |