Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084731 | Device for manufacturing molten iron | Chang Kuk KO | 2024-09-10 |
| 10557179 | Method for manufacturing reduced iron | Dong Won Kim, Sang Hyun Kim, Jun Hyuk Lee, Jan Friedemann Plaul, Norbert Rein +1 more | 2020-02-11 |
| 9783862 | Apparatus for manufacturing reduced iron and method for manufacturing the same | Dong Won Kim, Sang Hyun Kim, Jun Hyuk Lee | 2017-10-10 |
| 8375718 | Apparatus for generating energy using a sensible heat during manufacturing of molten iron and method for generating energy using the same | Sang Hyun Kim, Min Chul Park, Sang Hoon Joo, Robert Millner | 2013-02-19 |
| 8221674 | Distributor base | Franz Hauzenberger, Karl Zehetbauer, Jun Hyuk Lee, Won Namkung, Minyoung Cho +3 more | 2012-07-17 |
| 8119059 | Apparatus for manufacturing molten irons | Min Young Cho, Hang Goo Kim, Nag-Joon Choi, Kung-Won Nam, Sun-Kwang Jeong +1 more | 2012-02-21 |
| 8052921 | Apparatus for manufacturing molten irons | Sang Hyun Kim, Jun Hyuk Lee, Kung-Won Nam | 2011-11-08 |
| 7850902 | Apparatus for manufacturing molten irons | Sun-Kwang Jeong, Min Young Cho | 2010-12-14 |
| 7713329 | Apparatus for manufacturing molten irons to improve operation of fluidized bed type reduction apparatus and manufacturing method using the same | Jun Hyuk Lee | 2010-05-11 |
| 6736876 | Fluidized bed breakage prevention system for fluidized bed reduction reactor and method | Jun Hyuk Lee, Sun-Kwang Jeong, Nag-Joon Choi, Hang Goo Kim, Heung-Won Kang | 2004-05-18 |
| 6277324 | Apparatus for manufacturing molten pig iron and reduced iron by utilizing a fluidized bed | Sang Hoon Joo, Sang Deuk Lee, Jun Hyuk Lee, Min Young Cho, Hang Goo Kim +1 more | 2001-08-21 |
| 6235080 | Charging device for directly charging reduced fine iron ore into melter-gasifier | Sang Hoon Joo | 2001-05-22 |
| 6228142 | Apparatus for keeping optimal penetration depth formed at front end of oxygen tuyere and method for keeping the same | Yoon Chul Park | 2001-05-08 |
| 6203848 | Method for increasing the charring ratio of coal | Min Young Cho, Young Che Chung, Dael Whei Lee | 2001-03-20 |
| 5746804 | Apparatus for melting fine particles containing carbon and method for melting such fine particles using the apparatus | Sang Hoon Joo, Dong Joon Min | 1998-05-05 |