| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 12 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Chemical engineering | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Shafts | |
| #3 | Turning | |
| #4 | Separation | |
| #5 | Furniture for children | |
| #6 | Metal-working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Huang Huaying | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CN112110572A | Industrial acidic sewage treatment equipment | |
| CN112110610A | Multistage sewage treatment device | |
| CN112110573A | Industrial sewage desulphurization device | |
| CN105972084A | Shaft sleeve | |
| CN105972087A | Bearing retainer | |
| CN105773173A | Prestress loading device | |
| CN105689750A | Hydraulic prestress loading device | |
| CN105231742A | Intelligent pillow | |
| CN105167458A | Intelligent bed | |
| CN105231708A | Office chair | |
| CN105193162A | Intelligent infant bed | |
| CN105167421A | Disinfection shoe cabinet |