| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 12 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Packaging and shipping | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Venting or aerating devices | |
| #3 | Separation | |
| #4 | Water treatment | |
| #5 | Cranes | |
| #6 | Sewers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhang Jianwen | 4 |
| #2 | Yu Xuefeng | 3 |
| #3 | Li Pingzhou | 3 |
| #4 | Kang Leilei | 3 |
| #5 | Li Guangyi | 3 |
| #6 | Wang Jin | 2 |
| #7 | Zhu Debin | 2 |
| #8 | Zhu Long | 2 |
| #9 | Chen Yongjun | 2 |
| #10 | Guo Xiluo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN110886718A | Coupling guard shield | |
| CN110886719A | Horizontal split centrifugal pump shaft seal structure | |
| CN110886720A | Quick detachable choma | |
| CN108252964A | A kind of mechanical seal rinsing system | |
| CN107289159A | Check-valves | |
| CN109279495A | Claw hook device | |
| CN109200630A | Oily water separating equipment | |
| CN108298640A | Rain dirt separator | |
| CN108301500A | Pump station structure | |
| CN105333003A | Spiral groove sliding bearing and centrifugal pump | |
| CN105317729A | Sliding bearing and multi-stage centrifugal pump | |
| CN103994252A | Valve |