Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408641 | Bell mouth, air supply assembly including the bell mouth, and air supply control system using the bell mouth | Jun Kyu Park, Jeon Hur | 2022-08-09 |
| 10823455 | Condensing combustion apparatus | Jun Kyu Park | 2020-11-03 |
| 10393370 | Dual venturi for combustion apparatus | — | 2019-08-27 |
| 9709264 | Dual venturi for water heater | — | 2017-07-18 |
| 9644839 | Dual venturi for water heater | — | 2017-05-09 |
| 5887457 | Washing machine | — | 1999-03-30 |