Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853589 | Advanced biological phosphorus removal using a series of sequencing batch reactors | Yves Comeau, Gino Belanger | 1998-12-29 |
| 5792355 | Process for treating waste water | — | 1998-08-11 |
| 5395527 | Process and apparatus for treating wastewater in a dynamic, bio sequenced manner | — | 1995-03-07 |
| 4973432 | Aeration header module | Louis Obidniak, Pierre Lariviere | 1990-11-27 |
| 4963252 | Decanter device | — | 1990-10-16 |
| 4857185 | Aerated facultative basin having a dual function aeration and sludge removal pump in adjacent well | — | 1989-08-15 |
| 4849101 | Aeration device with a protection skirt | — | 1989-07-18 |