Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337018 | Rotary impeller pump or motor with counterbalancing chamber in thrust plate bearing counterbore | Mateiu J. Oana, John D. Turko | 1982-06-29 |
| 4292013 | Rotary impeller or motor with pressure balanced end plates | Edward J. Ratkay | 1981-09-29 |