| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Civil engineering | |
| #3 | Thermal processes | |
| #4 | Measurement | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Cleaning | |
| #2 | Air-conditioning | |
| #3 | Finishing work on buildings | |
| #4 | Swimming pools | |
| #5 | Geophysics | |
| #6 | Separation | |
| #7 | Fire-fighting | |
| #8 | Gas-flow silencers for machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ha Sang Soon | 11 |
| #2 | Ha Sang-Soon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR101798578B1 | Discharge device for fire engine exhaust gas | |
| KR20180013110A | Discharge device for fire engine exhaust gas | |
| KR20170072601A | Discharge device for fire engine exhaust gas | |
| KR20170019766A | Discharge device for fire engine exhaust gas | |
| KR101575122B1 | Discharge device for fire engine exhaust gas |