Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491334 | Method of treating reverse osmosis membranes for boron rejection enhancement | — | 2009-02-17 |
| 6180056 | Method and compositions for minimizing biological and colloidal fouling | Thomas E. McNeel, Maryam Z. Anstead, Richard A. Clark | 2001-01-30 |
| 5374357 | Filter media treatment of a fluid flow to remove colloidal matter | Lee A. Durham, Mark A. Warren, Bryce ANDERSON | 1994-12-20 |
| 5198116 | Method and apparatus for measuring the fouling potential of membrane system feeds | Lee A. Durham | 1993-03-30 |
| 5047154 | Method and apparatus for enhancing the flux rate of cross-flow filtration systems | Robert Hagen | 1991-09-10 |
| 4670150 | Cross-flow microfiltration lime softener | Andrew K. Hsiung, Robert Hagen | 1987-06-02 |