Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9897333 | Water heater having a waterway changeover control apparatus and method for operating the same | Dongwei Zhu, Xiaorong Shao, Jian Xu, Yinan Yang, Zhi Li | 2018-02-20 |
| 9151506 | Water heater having a waterway changeover control apparatus and method for operating the same | Dongwei Zhu, Xiaorong Shao, Jian Xu, Yinan Yang, Zhi Li | 2015-10-06 |