Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8580208 | Reactor and method for production of hydrogen sulphide | Andreas Woelfert, Heinz Driess | 2013-11-12 |
| 8021624 | Reactor, and method for the production of hydrogen sulfide | Andreas Wölfert, Heinz Drieβ | 2011-09-20 |
| 7887777 | Method and device for continuous production of hydrogen sulphide | Andreas Wölfert, Heinz Drieβ | 2011-02-15 |
| 7871594 | Reactor and method for production of hydrogen sulphide | Andreas Wölfert, Heinz Drieβ | 2011-01-18 |
| 7833509 | Method and device for the continuous production of hydrogen sulfide | Andreas Wölfert, Heinz Drieβ | 2010-11-16 |