| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | Republic of Korea | 3 | |
| #3 | United States | 3 | |
| #4 | Germany | 2 | |
| #5 | Japan | 2 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chen Po-Wen | 9 |
| #2 | Chien Huan-Jan | 9 |
| #3 | Chen Po Wen | 3 |
| #4 | Hong Huan Ciao | 3 |
| #5 | Hong Huan-Ciao | 3 |
| #6 | Chien Huan Jan | 3 |
| #7 | Hong Huan Qiao | 1 |
| #8 | Chen Baiwen | 1 |
| #9 | Chin Hakubun | 1 |
| #10 | Jian Huanran | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN106321918A | Self-closing gas filling valve |