Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021601 | Plant for the heat treatment of solids containing titanium | Dirk Nuber, Michael Stroeder, Werner Stockhausen, Lothar Formanek, Martin Hirsch | 2011-09-20 |
| 7651547 | Fluidized bed method and plant for the heat treatment of solids containing titanium | Dirk Nuber, Michael Ströder, Werner Stockhausen, Lothar Formanek, Martin Hirsch | 2010-01-26 |
| 6352572 | Process for the thermal treatment of granulated iron ore prior to the reduction | Martin Hirsch | 2002-03-05 |
| 5439115 | Process for selective flotation of copper-lead-zinc sulfide | Leo Kitschen, Friedrich Rosenstock, Horst Dittmann | 1995-08-08 |
| 5186920 | Recovering TiO.sub.2 concentrates from TiO.sub.2 -containing substances | Rudolf Heng, Walter Koch | 1993-02-16 |