Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814924 | Rotary hearth furnace and screw thereof for discharging reduced iron | Yoshihiro Urabe, Takao Umeki | 2004-11-09 |
| 6790255 | Moving-hearth heating furnace and method for making reduced metal agglomerates | Hiroshi Uemura | 2004-09-14 |