Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021600 | Method and plant for the heat treatment of solids containing iron oxide | Andreas Orth, Martin Hirsch, Peter Weber, Dirk Nuber, Michael Stroeder | 2011-09-20 |
| 7625422 | Method and plant for the heat treatment of solids containing iron oxide using a fluidized bed reactor | Andreas Orth, Martin Hirsch, Peter Weber, Dirk Nuber, Michael Ströder | 2009-12-01 |
| 6666629 | Process for conveying granular solids | Martin Hirsch, Lothar Formanek | 2003-12-23 |