Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148961 | Process for treatment of wastewater | Birger Lehr, Hartmut Janitz, Zhenggang Yu, Li-Chung Chen | 2021-10-19 |
| 8377382 | Recycling furnace for burning off precious metal-containing materials | Horst Meyer, Matthias Grehl, Dieter Schafer, Hans-Joachim Alt, Wilhelm Glab | 2013-02-19 |
| 8252252 | Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates | Horst Meyer, Matthias Grehl, Martin Stettner, Joachim Kralik | 2012-08-28 |
| 8188329 | Method and device for burning-off precious metal-containing materials | Horst Meyer, Matthias Grehl, Dieter Schafer, Hans-Joachim Alt, Wilhelm Glab | 2012-05-29 |