Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224759 | Increasing turbulent mixing in a UV system | Mark Richard Loewen, Pierluigi Cozzi | 2001-05-01 |
| 6126841 | Increasing turbulent mixing in a UV system | Mark Richard Loewen, Pierluigi Cozzi | 2000-10-03 |
| 5846437 | Increasing turbulent mixing in a UV system | Mark Richard Loewen, Pierluigi Cozzi | 1998-12-08 |
| 5655483 | Method and apparatus for controlling zebra and related mussels using ultraviolet radiation | Donald Philips Lewis | 1997-08-12 |