Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175384 | Centrifugal pump | — | 2007-02-13 |
| 6058776 | Conductivity metering device | Lars-Olof Eriksson, Leo Kotkaniemi | 2000-05-09 |
| 5709389 | Shaft sealing arrangement having fluid flushing means | Leo Kotkaniemi | 1998-01-20 |
| 5649449 | Method and apparatus for determining the instantaneous operation conditions of a centrifugal pump | — | 1997-07-22 |
| 5540449 | Shaft sealing arrangement having fluid flushing means | Leo Kotkaniemi | 1996-07-30 |
| 4900335 | Centrifugal pump wheel and method of pumping gas containing liquid by means of a centrifugal pump | — | 1990-02-13 |