| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 22 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Civil engineering | |
| #3 | Thermal processes | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Doors and windows | |
| #3 | Air-conditioning | |
| #4 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yu Honggen | 22 |
| Publication | Filing date | Title |
|---|---|---|
| CN107859459A | A kind of low noise air purification door | |
| CN107489353A | A kind of water filtration air purification door | |
| CN107724922A | A kind of air purification door | |
| CN108049786A | A kind of low noise air purifying windows family structure | |
| CN108060863A | A kind of window arrangement with air-cleaning function | |
| CN107605382A | A kind of window arrangement with VMC |