| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Russian Federation | 5 | |
| #2 | China | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Chemical engineering | |
| #3 | Measurement | |
| #4 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Turning | |
| #3 | Accessories for machine tools | |
| #4 | Sawing | |
| #5 | Cleaning | |
| #6 | Milling | |
| #7 | Measuring length, angles and areas | |
| #8 | Alloys | |
| #9 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhao Dong | 10 |
| #2 | Xu Wei | 10 |
| #3 | Zhang Jianjun | 9 |
| #4 | Zhang Haoyu | 8 |
| #5 | Chen Wenbao | 5 |
| #6 | Wu Zhengdong | 5 |
| #7 | Hu Yixin | 5 |
| #8 | Shen Feifan | 3 |
| #9 | Wang Wangfu | 2 |
| #10 | Sheng Jin | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CN107891098A | Full-automatic steel pipe pipe end sizing mill | |
| CN108036755A | Steel pipe Online Automatic Diameter Measure Equipment | |
| CN106424397A | Internal expansion and external contraction mechanical device for tubular part | |
| CN106424875A | Large-wall thick-steel plate double-edge edge milling machine | |
| RU2641437C2 | Expanding cone and method of its production |