| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 17 | |
| #2 | United States | 9 | |
| #3 | Republic of Korea | 8 | |
| #4 | EPO (European Patent Office) | 5 | |
| #5 | China | 3 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Environmental technology | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Refrigerators | |
| #3 | Climate change mitigation in buildings | |
| #4 | Punching metal | |
| #5 | Shaping of plastics | |
| #6 | Certain plastics | |
| #7 | Unspecified technologies | |
| #8 | Metal-working | |
| #9 | Pumps | |
| #10 | Making forged metal products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lv Ming | 23 |
| #2 | Yang Damai | 11 |
| #3 | Zhi Jiancheng | 11 |
| #4 | Tang Sijie | 6 |
| #5 | Xu Minghui | 4 |
| #6 | Chen Weilong | 4 |
| #7 | Lin Huili | 3 |
| #8 | Yan Weilin | 3 |
| #9 | Huang Songyan | 3 |
| #10 | Xu Guohua | 3 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021077880A1 | Electromagnetic valve | |
| WO2020253480A1 | Electric valve | |
| WO2020200265A1 | Electric valve | |
| WO2020200266A1 | Electric valve | |
| CN111527336A | Electrically operated valve and manufacturing method thereof | |
| WO2019148692A1 | Electric valve and manufacturing method therefor | |
| KR20170141754A | Switching valve and cooling system with same |