| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 26 | |
| #2 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Engines, pumps and turbines | |
| #5 | Furniture and games | |
| #6 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oh Chung Lock | 27 |
| #2 | Park In Woo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102225624B1 | A Ventilator | |
| KR102225598B1 | A Ventilator | |
| KR102105026B1 | A Ventilator | |
| KR102137407B1 | A filter Structure with guide frame reinforced by pneumatic pressure | |
| KR102079211B1 | A Ventilator | |
| KR102105017B1 | A Ventilator | |
| KR102105014B1 | A Ventilator | |
| KR102079212B1 | A Ventilator | |
| KR102105012B1 | A Heat Exchanger with large filter | |
| KR102105006B1 | A Ventilator | |
| KR102105008B1 | A Ventilator | |
| KR102079214B1 | A Ventilator | |
| KR102105019B1 | A Ventilator for the Nailshop | |
| KR102067232B1 | A Ventilator | |
| KR102039119B1 | A Jet Fan for a Tunnel | |
| KR102039116B1 | A Ventilator | |
| KR20190122074A | A Ventilator | |
| KR20190110797A | A Ventilator | |
| KR101931726B1 | A Aentilation System of a Convergence Heat Exchanger | |
| KR101943629B1 | A Aentilation System of a Convergence Heat Exchanger |