| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 15 | |
| #2 | Republic of Korea | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Measurement | |
| #3 | Thermal processes | |
| #4 | Electrical machinery and energy | |
| #5 | Environmental technology | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Rotary pistons | |
| #3 | Pumps | |
| #4 | Refrigerators | |
| #5 | Measuring length, angles and areas | |
| #6 | Measuring speed and acceleration | |
| #7 | Circuits for supplying electric power | |
| #8 | Special measuring | |
| #9 | Climate change mitigation in buildings | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Xu Jia | 9 |
| #2 | Hu Yusheng | 9 |
| #3 | Yang Sen | 8 |
| #4 | Du Zhongcheng | 8 |
| #5 | Ren Liping | 8 |
| #6 | Zhang Rongting | 7 |
| #7 | Zhang Jinquan | 7 |
| #8 | Kong Lingchao | 7 |
| #9 | Liang Shebing | 7 |
| #10 | Deng Liying | 6 |
| Publication | Filing date | Title |
|---|---|---|
| WO2017084604A1 | Axial displacement detection method, device and system |