Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790675 | Double flow control mechanism of a soft touch drain valve and a double flow control method thereof | Haibin Chen, Rongyu Zhang, Ruiliang Chen | 2017-10-17 |
| 9709190 | Height adjusting mechanism for an inlet valve | Guiyang HUANG, Bing Wang | 2017-07-18 |