Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659731 | Pressure exchanger | — | 2003-12-09 |
| 6540487 | Pressure exchanger with an anti-cavitation pressure relief system in the end covers | Thanos Polizos, Thomas Babcock, Ragnar A. Hermanstad | 2003-04-01 |