Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183344 | Graphene composite material for sliding contact | Anna Andersson, Mamoun Taher, Martin Wåhlander, Leili Tahershamsi, Helene Grennberg | 2021-11-23 |
| 9427716 | Apparatus and method for introducing a first fluid into the flow path of a second fluid and use of such an apparatus | Janos Björkström | 2016-08-30 |
| 8487201 | Contact element and a contact arrangement | Erik Lewin | 2013-07-16 |
| 7709759 | Contact element and a contact arrangement | Erik Lewin, Ola Wilhelmsson | 2010-05-04 |
| 7569120 | Method for converting an up-flow tower for cellulose pulp to a down-flow tower | Jonas Bjorkstrom | 2009-08-04 |
| 7470347 | Device and method withdrawing cellulose pulp from a container | Jonas Bjorkstrom | 2008-12-30 |
| 7402206 | Method of synthesizing a compound of the formula Mn+1AXn, film of the compound and its use | Peter Isberg, Jens-Petter Palmquist, Lars Hultman, Jens Birch, Timo Seppänen | 2008-07-22 |
| 6655021 | Method and apparatus for improving mounting | — | 2003-12-02 |
| 6606789 | Method and apparatus in a production line | — | 2003-08-19 |
| 6418963 | Pipe attachment | Rolf Ekholm | 2002-07-16 |
| 6254335 | Device for admixing a first fluid into a second fluid | Rolf Ekholm | 2001-07-03 |
| 6241852 | Method and device for mixing of a fluid into a pulp-suspension at the lowest pressure of the suspension | Rolf Ekholm, Per Johan Anders Nyström | 2001-06-05 |
| 6156159 | Device for mixing of a fluid into a pulp-suspension | Rolf Ekholm, Per Johan Anders Nyström | 2000-12-05 |
| 6059323 | Expansion unit for piping adjustment | Rolf Ekholm | 2000-05-09 |
| 6004364 | Separation device | Rolf Ekholm | 1999-12-21 |
| 5934318 | Valve system | Rolf Ekholm | 1999-08-10 |
| 5904753 | Separation device and process | Rolf Ekholm | 1999-05-18 |
| 5879422 | Separating arrangement and method for counteracting foam formation | Goran Brottgardh | 1999-03-09 |
| 5762760 | Reactor for treating pulp with a gas | Rolf Ekholm | 1998-06-09 |
| 5744004 | System for feeding a suspension to a pressurized vessel | Rolf Ekholm | 1998-04-28 |
| 5711852 | Method and device for mixing of a fluid into a pulp-suspension | Rolf Ekholm, Per Johan Anders Nyström | 1998-01-27 |
| 5669948 | Separating arrangement and method for counteracting foam formation | Goran Brottgardh | 1997-09-23 |
| D382881 | Pump impeller | Ronny Hoglund | 1997-08-26 |
| 5655390 | Suspension-treating device | Rolf Ekholm | 1997-08-12 |
| 5615997 | Pump for pumping fibrous pulp suspension | Ronny Hoglund | 1997-04-01 |