Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352956 | Mixed powder containing a carbon compound | Ekkehard Kienow, Thomas Schwertmann, Heinz Hoberg | 2002-03-05 |
| 6074620 | Method for the cleaning of exhaust gas and prevention of explosions therein | Ekkehard Kienow, Thomas Schwertmann, Heinz Hoberg | 2000-06-13 |