Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705458 | Fluid operated pump | Christos Athanassiu | 1987-11-10 |
| 4466455 | Rolling diaphragm vacuum control with check valve | Christos Athanassiu | 1984-08-21 |
| 4390036 | Rolling diaphragm vacuum control | Christos Athanassiu | 1983-06-28 |
| 4263838 | Pneumatic positioner | — | 1981-04-28 |
| 4253675 | Improvements of sealed shafts | — | 1981-03-03 |
| 4244589 | Sealed shaft of reduced diameter | — | 1981-01-13 |
| 4229010 | Self-aligning shaft seal | — | 1980-10-21 |
| 4219042 | Pneumatic relay | — | 1980-08-26 |
| 4208060 | Sealed shaft | — | 1980-06-17 |