Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671993 | Flexible short pipe having shock absorbing function | Chi-Ho Yoon, Jong Myung Park | 2014-03-18 |
| 8165722 | Velocity and concentration adjustable coupling pipe apparatus equipped between lifting pipe and collector | Chi-Ho Yoon, Jong Myung Park | 2012-04-24 |
| 7588717 | Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same | Kwang Hee Lee, Sung-Kee Shin, Il-Hyun Cho, Do-Seung Kim, Hyun-Uck Sung +4 more | 2009-09-15 |