Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543050 | Grease trap wastewater treatment process | — | 1996-08-06 |
| 5492630 | Method and apparatus for dissolved air flotation with aeration | Michael W. Grosskopf | 1996-02-20 |
| 5437785 | Apparatus for dissolved gas flotation in anaerobic wastewater treatment | — | 1995-08-01 |
| 5433846 | Grease-trap wastewater treatment system | — | 1995-07-18 |
| 5310485 | Process for dissolved gas flotation in anaerobic wastewater treatment | — | 1994-05-10 |
| 5151177 | Method and apparatus for dissolved air flotation with aeration | Michael W. Grosskopf | 1992-09-29 |