Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071331 | Method and apparatus for separating gas from a gaseous material | Kari Peltonen | 2000-06-06 |
| 5536368 | Method and apparatus for mixing a first medium to a second medium and a bleaching process applying said method | Mika P. Makela, Kari Peltonen | 1996-07-16 |
| 5462585 | Method and apparatus for separating gas from a gaseous material | Kari Peltonen | 1995-10-31 |
| 5279709 | Method and apparatus for improving the control and treatment of fiber suspension flow | — | 1994-01-18 |
| 5266160 | Method of an apparatus for treating pulp | Kaj Henricson | 1993-11-30 |
| 5258100 | Minimizing gas separation in a mixer outlet | Brian F. Greenwood, Kari Peltonen, Stephen J. Dunn, Mika P. Makela | 1993-11-02 |
| 5228829 | Method and apparatus for dividing flow of high-consistency fiber suspension | Voitto Reponen, Jukka Timperi, Reijo Vesala, Vesa Vikman | 1993-07-20 |
| 5156750 | Method and apparatus for thickening a fiber suspension and removing fine particles therefrom | Kaj Henricson, Mika P. Makela, Olavi Pikka, Vesa Vikman | 1992-10-20 |
| 5120398 | Arrangement for discharging pulp from a pulp treatment apparatus | Kaj Henricson, Olavi Pikka, Jukka Timperi | 1992-06-09 |
| 5034120 | Method for keeping a screen or filter surface clear | Vesa Vikman | 1991-07-23 |
| 5000658 | Apparatus for pumping high consistency fiber suspension | — | 1991-03-19 |
| 4975204 | Method and apparatus for thickening fiber suspension | Kaj Henricson, Mika P. Makela, Olavi Pikka, Vesa Vikman | 1990-12-04 |
| 4964950 | Method and apparatus for dividing and uniting the flows of high-consistency fibre suspensions | Voitto Reponen | 1990-10-23 |
| 4921400 | Pump and a method of separating gas by such from a fluid to be pumped | — | 1990-05-01 |
| 4884943 | Method and apparatus for pumping high-consistency fiber suspension | — | 1989-12-05 |
| 4834547 | Apparatus for mixing chemicals in fibre suspensions | — | 1989-05-30 |
| 4675033 | Apparatus for separating gas from a fibre suspension | Raimo Fellman | 1987-06-23 |
| 4594052 | Centrifugal pump for liquids containing solid material | — | 1986-06-10 |
| 4476886 | Affixation of a pump to a tank | Raimo Fellman | 1984-10-16 |
| 4435122 | Method and apparatus for pumping fiber suspensions | Frey Sundman, Jorma Tuomaala | 1984-03-06 |
| 4435193 | Controlling operation of a centrifugal pump | Johan Gullichsen, Esko Härkönen, Jaakko Kujala, Voitto Reponen | 1984-03-06 |
| 4410337 | Method and an apparatus for separating a gas from a fibre suspension | Johan Gullichsen, Jaakko Kujala, Voitto Reponen, Esko Härkönen | 1983-10-18 |
| 4273562 | Method and apparatus for pumping gaseous liquids and separating the gaseous components therefrom | — | 1981-06-16 |