Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946072 | Method and apparatus for washing a fibre suspension | Peter Wigarthsson | 2005-09-20 |
| 6659635 | Method for introducing a first fluid into a second fluid, preferably introduction of steam into flowing cellulose pulp | — | 2003-12-09 |
| 6418963 | Pipe attachment | Ulf Jansson | 2002-07-16 |
| 6371526 | Quick cone | — | 2002-04-16 |
| 6347883 | Apparatus for adding a first fluid into a second fluid with means to prevent clogging | — | 2002-02-19 |
| 6341888 | Apparatus for introduction of a first fluid into a second fluid | Peter Wigarthsson | 2002-01-29 |
| 6254335 | Device for admixing a first fluid into a second fluid | Ulf Jansson | 2001-07-03 |
| 6241852 | Method and device for mixing of a fluid into a pulp-suspension at the lowest pressure of the suspension | Ulf Jansson, Per Johan Anders Nyström | 2001-06-05 |
| 6156159 | Device for mixing of a fluid into a pulp-suspension | Ulf Jansson, Per Johan Anders Nyström | 2000-12-05 |
| 6059323 | Expansion unit for piping adjustment | Ulf Jansson | 2000-05-09 |
| 6004364 | Separation device | Ulf Jansson | 1999-12-21 |
| 5934318 | Valve system | Ulf Jansson | 1999-08-10 |
| 5904753 | Separation device and process | Ulf Jansson | 1999-05-18 |
| 5762760 | Reactor for treating pulp with a gas | Ulf Jansson | 1998-06-09 |
| 5744004 | System for feeding a suspension to a pressurized vessel | Ulf Jansson | 1998-04-28 |
| 5711852 | Method and device for mixing of a fluid into a pulp-suspension | Ulf Jansson, Per Johan Anders Nyström | 1998-01-27 |
| 5698079 | Arrangement for spreading paper pulp in a container | Christen Gronvold-Hansen | 1997-12-16 |
| 5685342 | Apparatus for mixing a first fluid into a second fluid | — | 1997-11-11 |
| 5655390 | Suspension-treating device | Ulf Jansson | 1997-08-12 |
| 5556508 | Method for treating pulp | Ulf Jansson | 1996-09-17 |
| 5556200 | Apparatus for mixing a first fluid into a second fluid using a wedge-shaped, turbulence-inducing flow restriction in the mixing zone | Ulf Jansson | 1996-09-17 |
| 5480546 | Rotating screen drum with a stainless lining | Lennart Bergkvist, Sten-Ake Gustafsson, Kjell Lindblom, Jan Anderson, Ronny Hoglund | 1996-01-02 |
| 5461888 | Suspension-treating device | Ulf Jansson | 1995-10-31 |
| D354063 | Chute connection to a pulp pump | Ulf Jansson | 1995-01-03 |
| 5366288 | Apparatus for mixing a suspension of cellulosic fibrous material and fluid | Hakan Dahllof, Ulf Jansson | 1994-11-22 |