Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9073024 | Mixing bubble generator and installation configuration | Kristinn G. Drewry, William A. Arnold | 2015-07-07 |
| 8303161 | Water supply thermocline detection and mixing process | Kristinn G. Drewry | 2012-11-06 |
| 8192069 | Water supply mixing process | Kristinn G. Drewry | 2012-06-05 |
| 8147117 | Water tank deicing mixer | Kristinn G. Drewry | 2012-04-03 |
| 7763173 | Method for remediating solids in waste lifting stations | Kristinn G. Drewry | 2010-07-27 |
| 7524419 | Mixer for use with media in wastewater treatment | Kristinn G. Drewry | 2009-04-28 |
| 7374675 | Mixer for use in wastewater treatment processes | Kristinn G. Drewry | 2008-05-20 |
| 7282141 | Mixer and process controller for use in wastewater treatment processes | Kristinn G. Drewry | 2007-10-16 |