Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580743 | Stave cooler | Mitsuji Hirata | 2003-06-17 |
| 5421963 | Coke-feeding device with housing for a dry cooling installation for coke | Wilhelm Stewen, Heinz Opdenwinkel, Norbert Dunker, Naoto Yasukouchi | 1995-06-06 |