Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10247195 | Impeller for a centrifugal headbox feed pump | Reijo Vesala | 2019-04-02 |
| 9829110 | Slide ring, a shaft, a mechanical seal, a housing and a rotor for a flow machine and a flow machine | — | 2017-11-28 |
| 9631633 | Rotor for a centrifugal flow machine and a centrifugal flow machine | — | 2017-04-25 |
| 9353763 | Centrifugal pump, a shaft sleeve and a stationary seal member | Jorma Lehtonen | 2016-05-31 |
| 8337152 | Centrifugal pump, a shaft sleeve and a stationary seal member | Jorma Lehtonen | 2012-12-25 |
| 8240673 | Flow machine, slide ring seal thereof, body part for said slide ring seal and method of fastening said slide ring seal to said flow machine | — | 2012-08-14 |
| 7326029 | Centrifugal pump and an impeller thereof | Jussi Ahlroth | 2008-02-05 |
| 6103128 | Method and apparatus for mixing gas with liquid | Arto Koso | 2000-08-15 |
| 5711789 | Apparatus for pumping gas-containing fiber suspensions | Jorma Elonen | 1998-01-27 |
| 5324166 | Apparatus and method for pumping a liquid | Jorma Elonen, Kaj Henricson | 1994-06-28 |
| 5240621 | Method and apparatus for improving flotation separation | Jorma Elonen, Harry Erlund, Kaj Henricson, Pasi Immonen, Raimo Kohonen +3 more | 1993-08-31 |
| 4863353 | Attaching arrangement | — | 1989-09-05 |