Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491738 | 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus | Hang Goo Kim, Uoo Chang Jung, Nag-Joon Choi | 2002-12-10 |
| 6416566 | Process for the production of liquid pig iron or liquid steel pre-products | Werner Kepplinger, Felix Wallner, Johannes Schenk, Yong-Ha Kim, Moon Duk Park | 2002-07-09 |