Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025727 | Agglomerated stone for using in shaft, corex or blast furnaces, method for producing agglomerated stones and use of fine and superfine iron ore dust | Horst Mittelstädt, Stefan Wienströer, Reinhard Fusenig, Ronald Erdmann, Klaus Kesseler | 2011-09-27 |
| 7628925 | Method of dewatering sludge and the sludge thus dewatered | Marc Remy, Eric Judenne | 2009-12-08 |