Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028850 | Chopper pump with double-edged cutting bars | Arne Swenson | 2021-06-08 |
| 10473103 | Chopper pump with double-edged cutting bars | Arne Swenson | 2019-11-12 |
| 9486819 | System having foam busting nozzle and sub-surface mixing nozzle | Glenn R. Dorsch | 2016-11-08 |
| 8985490 | Chopper pump with cutting inserts | Glenn R. Dorsch, Rich Ballou, Alex Cahoon | 2015-03-24 |
| 8905341 | Screw-type centrifugal pump with cutting inserts | Glenn R. Dorsch, Rich Ballou, Alex Cahoon | 2014-12-09 |
| 8348188 | Internal cutter on submersed mixer | Glenn R. Dorsch, Yee Chak | 2013-01-08 |
| 8118244 | Internal cutter on submersed mixer | Glenn R. Dorsch, Yee Chak | 2012-02-21 |
| 8105017 | Centrifugal chopper pump with impeller assembly | Glenn R. Dorsch | 2012-01-31 |
| 7841550 | Cutter nut and cutter bar assembly | Glenn R. Dorsch, Yee Chak | 2010-11-30 |
| 7628183 | Surface foam diffuser system | Glenn R. Dorsch | 2009-12-08 |
| 7125221 | Centrifugal pump improvements | Glenn R. Dorsch, Arne Swenson | 2006-10-24 |