Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006421 | Fuel filter for diesel engine | Chang Ho Ham, Jae Hyub Hyun, Seung Chun Choi, Han Poong Lee | 2018-06-26 |
| 9879641 | Heater control apparatus and heater control method of fuel filter for vehicle | Chang Ho Ham | 2018-01-30 |
| 9874127 | Urea injection device for selective catalyst reduction device | Chang Ho Ham, Buyeol Ryu | 2018-01-23 |
| 9810181 | Heater device of diesel fuel filter | Chang Ho Ham | 2017-11-07 |
| 9644518 | Urea filler neck and urea tank for prevention of urea overflow and urea after-treatment system with outside filler neck | Chang Ho Ham, Pil Seon Choi, Young-Jae Lim, Myung Keun CHAE | 2017-05-09 |
| 9611866 | Urea solution pumping module | Buyeol Ryu, Pil Seon Choi, Chan Yo Jeon, Yong Taek Hwang, Il Kyu Choi | 2017-04-04 |
| 9604158 | Separator for separating fluid and SCR urea injection system using the same | Chang Ho Ham | 2017-03-28 |