Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925375 | Device for automatic circulation in a waste water pump station | — | 1990-05-15 |
| 4530643 | Centrifugal pump impeller | — | 1985-07-23 |
| 4494758 | Mechanical seal lubrication device | Boris Fredriksson | 1985-01-22 |
| 4462766 | Device for automatic circulation in a waste water pump station | Balint Szendroi | 1984-07-31 |