| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | United States | 2 | |
| #3 | Australia | 1 | |
| #4 | Bulgaria | 1 | |
| #5 | Brazil | 1 | |
| #6 | Finland | 1 | |
| #7 | Sweden | 1 | |
| #8 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic materials chemistry | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Detonating devices | |
| #3 | Iron and steel production | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guowen Hu | 5 |
| #2 | Tianrui Xu | 5 |
| #3 | Quicheng Wang | 5 |
| #4 | Xiqin Zhang | 5 |
| #5 | Xianquan Li | 5 |
| #6 | Chunshan Pan | 2 |
| #7 | Guowen H | 1 |
| #8 | Zhang Xiqin | 1 |
| #9 | Wang Quicheng | 1 |
| #10 | Xiqin Z | 1 |