Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659431 | Fluid treatment system and cleaning apparatus therefor | Gang Fang, Yuri Lawryshyn, Douglas Penhale | 2003-12-09 |
| RE36896 | Fluid treatment system and process | — | 2000-10-03 |
| 5590390 | Fluid treatment system and process | — | 1996-12-31 |
| 5539209 | Method of cleaning fouling materials from a radiation module | — | 1996-07-23 |
| 5539210 | Radiation sensor with means to remove fouling materials | — | 1996-07-23 |
| 5504335 | Fluid treatment device and method | — | 1996-04-02 |
| 5418370 | Fluid treatment system and process | — | 1995-05-23 |
| 5006244 | Fluid purification device | — | 1991-04-09 |
| 4872980 | Fluid purification device | — | 1989-10-10 |
| 4482809 | Ultraviolet fluid purifying device | — | 1984-11-13 |