Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395052 | Method for producing directly-reduced iron, liquid pig iron and steel | Guenter Schrey | 2002-05-28 |
| 6293991 | Process for producing liquid pig iron comprising recirculating agglomerated sludges | Guenter Schrey | 2001-09-25 |