Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1087793 | Testing instrument | — | 2025-08-12 |
| D1087794 | Testing instrument | — | 2025-08-12 |
| 12292432 | Soil testing instrument | — | 2025-05-06 |
| D860028 | Wireless doorbell | — | 2019-09-17 |
| 10247451 | Cryogenic regenerator and cryogenic refrigerator | Limin Qiu, Kai Fang, Xiao Jiang, Zui Ri | 2019-04-02 |
| 8695356 | Pulse tube cryocooler modulating phase via inertance tube and acoustic power amplifier thereof | Bo Wang, Limin Qiu, Longyi Wang, Bingyan Fan | 2014-04-15 |