| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 22 | |
| #2 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Control | |
| #4 | Measurement | |
| #5 | Thermal processes | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Liquid hydrocarbon mixture production | |
| #2 | Chemical or physical processes | |
| #3 | Separation | |
| #4 | Systems controlling non-electric variables | |
| #5 | Chemical or physical laboratory devices | |
| #6 | Cleaning | |
| #7 | Furnaces | |
| #8 | Analysing materials | |
| #9 | Fuels | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Li Suan | 25 |
| #2 | Deng Qingyu | 24 |
| #3 | Wang Kunpeng | 22 |
| #4 | Xie Gang | 1 |
| #5 | Wang Jingyu | 1 |