Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152789 | Hot water returning system | Yong Song | 2024-11-26 |
| 12031729 | Apparatus and method for supplying hot water | Yong Song | 2024-07-09 |
| 11965668 | Device for managing temperature | Seung Kil Son, Nam Soo Do, Jung Keom Kim | 2024-04-23 |
| 11703253 | Water heating apparatus and method for controlling the apparatus | Yong Song, Nam Soo Do | 2023-07-18 |
| 10648680 | Hot water supply system having preheating function and method for controlling same | Yong Song, Soon Ki Kim | 2020-05-12 |
| 10113751 | Method for determining whether hot water is used during heating of an air handler system | Seung Hwan Shin | 2018-10-30 |