| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 27 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Servomotors | |
| #3 | Pumps | |
| #4 | Pipes | |
| #5 | Cleaning | |
| #6 | Springs | |
| #7 | Separation | |
| #8 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Huang Honggang | 22 |
| #2 | Zhang Bai | 14 |
| #3 | Yin Xiaofei | 10 |
| #4 | Liu Bin | 2 |
| #5 | Other Inventors Have Waived The Right To Be Mentioned | 1 |
| #6 | The Inventor Has Waived The Right To Be Cited | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN112196751A | Plunger pump | |
| CN112066047A | Lifting check valve | |
| CN112066127A | Quick pipe joint | |
| CN112066017A | Gate valve | |
| CN111841123A | Anti-blocking pipeline | |
| CN111878480A | Multi-way reversing valve for engineering machinery | |
| CN111878598A | Plug valve | |
| CN111677898A | Gate valve | |
| CN111677919A | Butterfly check valve | |
| CN111677923A | Safety valve | |
| CN111608988A | Oil cylinder | |
| CN111536302A | Anti-theft ball valve | |
| CN111536300A | Butterfly valve with anti-theft function | |
| CN111536301A | Ball valve | |
| CN111075685A | Compact air compressor | |
| CN111043002A | Reciprocating plunger pump | |
| CN110792819A | Rotary stop valve | |
| CN110657267A | Unloading valve with overflow function | |
| CN110748528A | Control valve for oil cylinder | |
| CN110735825A | composite function oil cylinder |