Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568489 | Three-dimensional flow velocity vector, energy and mass gauge | Guoping Du, Jiajia Du, Xiaofeng F. Song | 2017-02-14 |
| D485893 | Water heater | Jinjia Zhang | 2004-01-27 |
| D465307 | Impeller washing machine | Yongsheng Zhang | 2002-11-05 |
| D456032 | Refrigerator | Gongwei Xu | 2002-04-23 |