Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062529 | Method for water treatment by flocculation/settling using ballasted floc degritting of the sludge | — | 2011-11-22 |
| 7981297 | Wastewater treatment method comprising decantation and fine screening stages | Claus Dahl | 2011-07-19 |