| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 11 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Separation | |
| #3 | Frames | |
| #4 | Pumps | |
| #5 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gu Feng | 11 |
| #2 | Gu Weijun | 11 |
| #3 | Gu Jie | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CN112112823A | Vacuum pump | |
| CN112112817A | Vertical mixed flow pump | |
| CN112112795A | Chemical pump | |
| CN112112839A | Submersible sewage pump | |
| CN112112834A | Mixed flow shell and impeller blade clearance adjusting structure | |
| CN112112808A | Axial-flow pump with supercharging structure | |
| CN112112842A | Submersible mixed flow pump | |
| CN112112841A | Anti-blocking structure for water inlet of submersible sewage pump | |
| CN112112837A | Anti-blocking submersible sewage pump structure | |
| CN112112811A | Axial flow pump | |
| CN112112818A | Submersible axial-flow pump |