Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815294 | Engine system | Heejoong Jang | 2023-11-14 |
| 11796231 | Gas heat-pump system | Heejoong Jang | 2023-10-24 |
| 11761690 | Gas heat-pump system and method of controlling same | Heejoong Jang | 2023-09-19 |
| 11708784 | Engine system | Jinwoo Lee, Heejoong Jang | 2023-07-25 |
| 11649752 | Gas engine heat pump | Heejoong Jang | 2023-05-16 |
| 11592219 | Method of controlling gas heat-pump system | Heejoong Jang | 2023-02-28 |