Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120252 | Gas separation control in a centrifugal pump/vacuum pump | Reijo Vesala, Vesa Vikman | 2000-09-19 |
| 5842833 | Gas separation control in a centrifugal pump vacuum pump | Reijo Vesala, Vesa Vikman | 1998-12-01 |
| 5538597 | Apparatus for the discharge of a mass tower | Arto Koso, Reijo Vesala | 1996-07-23 |
| 5228829 | Method and apparatus for dividing flow of high-consistency fiber suspension | Toivo Niskanen, Jukka Timperi, Reijo Vesala, Vesa Vikman | 1993-07-20 |
| 4964950 | Method and apparatus for dividing and uniting the flows of high-consistency fibre suspensions | Toivo Niskanen | 1990-10-23 |
| 4435193 | Controlling operation of a centrifugal pump | Johan Gullichsen, Esko Härkönen, Toivo Niskanen, Jaakko Kujala | 1984-03-06 |
| 4410337 | Method and an apparatus for separating a gas from a fibre suspension | Johan Gullichsen, Jaakko Kujala, Toivo Niskanen, Esko Härkönen | 1983-10-18 |