Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321870 | Air intake means with water separator | Josef Waronitza, Hansjörg Kauschke, Tilman Schattat, Werner Zimmermann | 2001-11-27 |
| 5961819 | Treatment of sour hydrocarbon distillate with continuous recausticization | Binh Lee | 1999-10-05 |