Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485659 | Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide | — | 2022-11-01 |
| 10766006 | Electrokinetic thickening and dewatering method and system | Michael Phillip Norris | 2020-09-08 |
| 10689274 | Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide | Aaron Zahn | 2020-06-23 |
| 10669182 | Systems and methods for using chlorine dioxide to enhance drying | Michael Phillip Norris | 2020-06-02 |
| 9758401 | Digestion of biosolids in wastewater | — | 2017-09-12 |
| 9492804 | System and methods for generating chlorine dioxide | — | 2016-11-15 |
| 8663473 | Digestion of biosolids in wastewater | — | 2014-03-04 |
| 7407642 | Chlorine dioxide generation method | David Francis, Wilfried Schmitz | 2008-08-05 |
| 7279099 | Sludge treatment process | Robert Reimers, Wilfried Schmitz | 2007-10-09 |