Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8157432 | Method of mixing a fluid in a tank with a draft tube mixing system | James B. Tysse, Greg A. Larson | 2012-04-17 |
| 7748891 | Liquid storage tank with draft tube mixing system | James B. Tysse, Greg A. Larson | 2010-07-06 |
| 6814874 | Claricone sludge level control system | — | 2004-11-09 |
| 6673240 | Feed control system for liquid clarification tanks | John J. Fassbender | 2004-01-06 |
| 6321916 | Liquid clarification tank | Henry E. Rickelm, Daniel H. Phillips | 2001-11-27 |
| 6092671 | Liquid clarification tank | David K. Wyness, Daniel H. Phillips | 2000-07-25 |
| 5958249 | Method and apparatus for withdrawing effluent from a solids-contacting vessel | John J. Fassbender, Daniel H. Phillips | 1999-09-28 |
| 5735600 | Method and apparatus for automatically mixing drinking water in a reservoir | David K. Wyness, John S. Andrepont | 1998-04-07 |
| 5716519 | Apparatus for discharging fluid additives into a water treatment vessel | James M. Schleife, John J. Fassbender | 1998-02-10 |
| 5695648 | Method and apparatus for withdrawing effluent from a solids-contacting vessel having an adjustable weir | John J. Fassbender, Daniel H. Phillips | 1997-12-09 |