Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044452 | Hydraulic turbine draft tube deflector with enhanced dissolved oxygen | Eric Demers | 2006-05-16 |
| 6971843 | Hydraulic turbine draft tube with enhanced dissolved oxygen | Roger Grenier | 2005-12-06 |
| 6854958 | Hydraulic turbine with enhanced dissolved oxygen | — | 2005-02-15 |