Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931721 | Droplet separating system | Helmut Kanka, Peter Wandres | 2011-04-26 |
| 7591886 | Flue gas washer with a supporting construction for spray pipes | Helmut Kanka | 2009-09-22 |
| 5749930 | Mist collector arrangement for gas washers | Siegfried Bulang, Olaf Cohrs | 1998-05-12 |
| 5569386 | Method for controlling the detoxification of cyanidic waste waters | — | 1996-10-29 |
| 5389127 | Method of cleaning a drop separator and drop separator with cleaning device | Dieter Wurz, Stefan Hartig | 1995-02-14 |
| 5306431 | Process for automatically controllable reduction of the nitrite content of nitrite-containing aqueous solutions to values below 1 mg/1 | Joachim Fischer, Klaus Stuetzel, Friedhelm Brandner, Manfred Diehl | 1994-04-26 |
| 5204008 | Process for the detoxification of aqueous solutions containing cyanohydrins and/or nitriles | Manfred Diehl, Joachim Fischer | 1993-04-20 |
| 5200161 | Process for the separation of hydrogen cyanide from gases and waste gases | Joachim Fischer, Manfred Diehl | 1993-04-06 |
| 5068038 | Method of lowering the AOX content in water | Joachim Fischer | 1991-11-26 |
| 4871681 | Method for the colorimetric determination of the cyanide concentration of aqueous solutions | Edgar Bilger | 1989-10-03 |