Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968471 | Method of and arrangement for treating biomass | Janne Tamminen, Reijo Vesala, Karl-Erik Röberg | 2021-04-06 |
| 9752916 | Probe for monitoring the surface level of a fluid in a vessel and a method of installing the probe in the vessel | Jussi Heinonen, Pasi Kvick, Anssi Lehtonen, Seppo NYMAN, Reijo Vesala | 2017-09-05 |
| 9708762 | Method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such | Reijo Vesala | 2017-07-18 |
| 9663897 | Method of and an arrangement for introducing process liquid from a treatment step to a washing and/or filtering apparatus | Reijo Vesala | 2017-05-30 |
| 9416491 | Method of and an arrangement for transferring a process liquid, an industrial facility and a method of simplifying the layout of such | Reijo Vesala | 2016-08-16 |
| 6551054 | Method and apparatus for pumping a material and a rotor for use in connection therewith | Kari Peltonen, Reijo Vesala | 2003-04-22 |
| 6491787 | Method for heating pulps | Kari Peltonen, Reijo Vesala | 2002-12-10 |
| 6120252 | Gas separation control in a centrifugal pump/vacuum pump | Voitto Reponen, Reijo Vesala | 2000-09-19 |
| 5842833 | Gas separation control in a centrifugal pump vacuum pump | Voitto Reponen, Reijo Vesala | 1998-12-01 |
| 5228829 | Method and apparatus for dividing flow of high-consistency fiber suspension | Toivo Niskanen, Voitto Reponen, Jukka Timperi, Reijo Vesala | 1993-07-20 |
| 5167678 | Apparatus for separating gas with a pump from a medium being pumped | Jorma Elonen, Jukka Timperi, Reijo Vesala | 1992-12-01 |
| 5156750 | Method and apparatus for thickening a fiber suspension and removing fine particles therefrom | Kaj Henricson, Mika P. Makela, Toivo Niskanen, Olavi Pikka | 1992-10-20 |
| 5152663 | Centrifugal pump | Tapio Peroaho, Reijo Vesala | 1992-10-06 |
| 5151010 | Combined centrifugal and vacuum pump | Reijo Vesala | 1992-09-29 |
| 5116198 | Centrifugal pumping apparatus | Reijo Vesala | 1992-05-26 |
| 5114310 | Centrifugal pump with sealing means | Harold K. Haavik, Tapio Peroaho, Reijo Vesala | 1992-05-19 |
| 5078573 | Liquid ring pump having tapered blades and housing | Tapio Peroaho, Reijo Vesala | 1992-01-07 |
| 5058615 | Method and apparatus for pumping high consistency pulp | Jukka Timperi, Reijo Vesala | 1991-10-22 |
| 5034120 | Method for keeping a screen or filter surface clear | Toivo Niskanen | 1991-07-23 |
| 4981413 | Pump for and method of separating gas from a fluid to be pumped | Jorma Elonen, Jukka Timperi, Reijo Vesala | 1991-01-01 |
| 4975204 | Method and apparatus for thickening fiber suspension | Kaj Henricson, Mika P. Makela, Toivo Niskanen, Olavi Pikka | 1990-12-04 |
| 4971519 | Method and apparatus for pumping high consistency medium | Jukka Timperi, Reijo Vesala | 1990-11-20 |
| 4877368 | Fluidizing centrifugal pump | Jukka Timperi, Reijo Vesala | 1989-10-31 |