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Karlstad, Sweden

Kvaerner Pulping Technologies Ab

USPTO Granted Patents = 25

Forward Citations = 168

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45 inventors (with patents filed for the assignee):

Ake Backlund (5 out of 16 patents)

Johanna Svanberg (4 out of 7 patents)

Erik Nilsson (3 out of 3 patents)

4. Petter Tibbling (3 out of 4 patents)

5. Finn Oulie (3 out of 6 patents)

6. Stig Andtbacka (3 out of 4 patents)

7. Soren Soderqvist (3 out of 4 patents)

8. Per Toreld (2 out of 3 patents)

9. Rolf Ekholm (2 out of 29 patents)

10. Anders Bergqvist (2 out of 6 patents)

11. Lars-Ove Larsson (2 out of 2 patents)

12. Lennart Bergkvist (2 out of 3 patents)

13. Jan G Carlsson (2 out of 3 patents)

14. Martin Wimby (2 out of 5 patents)

15. Magnus Ingelman (1 out of 6 patents)

25 patents: Sort by Forward Citations

1. 6325891 - Method of bleaching pulp without using chlorine chemicals in a (QP)Z bleaching sequence (2001-12-04),

2. 6149766 - Process for peroxide bleaching of chemical pulp in a pressurized (2000-11-21),

3. 5972228 - Filters employing 'filling bodies' to reduce the amount of backwashing (1999-10-26),

4. 5919337 - Method of continuously isothermally cooking of pulp (1999-07-06),

5. 5858170 - Method for pressurized peroxide bleaching (1999-01-12),

6. 5827401 - Screen system for a continuous digester (1998-10-27),

7. 5803020 - Recovery boiler for combustion of waste liquors (1998-09-08),

8. 5705031 - Process for removing and washing dregs from green liquor in a kraft pulp (1998-01-06),

9. 5698079 - Arrangement for spreading paper pulp in a container (1997-12-16),

10. 5685342 - Apparatus for mixing a first fluid into a second fluid (1997-11-11),

11. 5676797 - Apparatus for removing high-volume, low concentration non-condensable (1997-10-14),

12. 5658428 - Method for impregnation in a single-vessel hydraulic digester (1997-08-19),

13. 5644996 - Method and arrangement for reburning lime sludge in a fluidizing bed (1997-07-08),

14. 5591303 - Process for operating a digester (1997-01-07),

15. 5571377 - Process for peroxide bleaching of chemical pulp in a pressurized bleach (1996-11-05),

Kvaerner Pulping Technologies Ab is a leading provider of advanced technologies and solutions for the pulp and paper industry. With a focus on sustainable and efficient processes, their innovative solutions help customers improve productivity, reduce environmental impact, and optimize resource utilization. Visit their website to explore their comprehensive range of products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#6 in Karlstad

#246 in Sweden

#24,910 in the World

Karlstad, Sweden

Kvaerner Pulping Technologies Ab

Forward Citations = 168

45 inventors:

Ake Backlund (5 out of 16 patents)

Johanna Svanberg (4 out of 7 patents)

Erik Nilsson (3 out of 3 patents)

4. Petter Tibbling (3 out of 4 patents)

5. Finn Oulie (3 out of 6 patents)

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