Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968572 | Method and apparatus for the purification of water contaminated with sulfate ions and with heavy metal ions | — | 2015-03-03 |
| 8461702 | System for the transport of an ore pulp in a line system located along a gradient, and components of such a system | Julio Cortés, Christian Schiller, Otto Schafer, Kurt Tischler | 2013-06-11 |
| 8342336 | Method and device for extracting non-magnetic ores | Michael Diez, Imme Domke, Werner Hartmann, Hartmut Hibst, Wolfgang Krieglstein +4 more | 2013-01-01 |
| 7914676 | Method for removing sulphate and heavy metals from waste water | — | 2011-03-29 |