| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 14 | |
| #2 | WIPO (World Intellectual Property Organization) | 7 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Water treatment | |
| #3 | Separation | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hu Xiaozong | 22 |
| #2 | Hu Jizong | 21 |
| #3 | Tu Zehong | 21 |
| Publication | Filing date | Title |
|---|---|---|
| CN107327592A | Flow-controlled device | |
| WO2013155877A1 | Flow controller, water treatment system, and multifunctional control valve | |
| WO2013155879A1 | Flow controller and water treatment system having the flow controller | |
| CN107740873A | Water treatment system |