Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319228 | Methods for increasing nitrifying bacteria biomass in a waste treatment reactor system | Merle Kroeker, Tanner Devlin | 2022-05-03 |
| 11299414 | Multiple attached growth reactor system | Merle Kroeker | 2022-04-12 |
| D872224 | Biogrowth support media | Merle Kroeker, Stephen Smith | 2020-01-07 |
| 10421680 | Multiple attached growth reactor system | Merle Kroeker | 2019-09-24 |
| 10000397 | Multiple attached growth reactor system | Merle Kroeker | 2018-06-19 |
| 8505885 | Aeration diffuser | Merle Kroeker, Byron Heppner | 2013-08-13 |
| 8083944 | Removing ammonia from waste water during cold weather months | Merle Kroeker, Byron Heppner | 2011-12-27 |
| 6817268 | Power distribution transmission | Rudolf Zentsch | 2004-11-16 |
| 6224646 | Waste treatment system | Claudio Arato | 2001-05-01 |
| 6086056 | Float sink header | Jim Leask | 2000-07-11 |