Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10413914 | Enrichment of metal sulfide ores by oxidant assisted froth flotation | Gerhard Arnold, Terry Michael Brown, Sr., Ingo Hamann | 2019-09-17 |
| 9839917 | Method for recovering a copper sulfide concentrate from an ore containing an iron sulfide | Christopher Greet, Gerhard Arnold, Ingo Hamann | 2017-12-12 |
| 8999287 | Device for mixing and cooling two reactive liquids and method of making peroxomonosulphuric acid with the device | Terry Michael Brown, Sr., Peter Stesel | 2015-04-07 |