Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6238546 | Electrochemical treatment of effluent water | Louis H. Knieper, Gary A. Tipton | 2001-05-29 |
| 5403151 | Low pressure process for entraining gas into liquid solution and pump therefore | — | 1995-04-04 |
| 5344563 | Wastewater treatment system | — | 1994-09-06 |
| 5261783 | Kinetic pump having a centerless impeller | — | 1993-11-16 |