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Karlstad, Sweden

Kvaerner Pulping Aktiebolag

USPTO Granted Patents = 8

CIPO Patents = 1

Trademarks = 2

Forward Citations = 46

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26 inventors (with patents filed for the assignee):

Ulf Jansson (1 out of 27 patents)

Rolf Ekholm (1 out of 29 patents)

Anders Bergqvist (1 out of 6 patents)

4. Håkan Dahllöf (1 out of 1 patent)

5. Marcelo Leite (1 out of 1 patent)

6. Lars Stigsson (1 out of 10 patents)

7. &angst;ke Backlund (1 out of 1 patent)

8. Soren Gustavsson (1 out of 3 patents)

9. Petter Tibbling (1 out of 4 patents)

10. Johanna Svanberg (1 out of 7 patents)

11. Ake Backlund (1 out of 16 patents)

12. Hans Olsson (1 out of 1 patent)

13. Yrjo Schildt (1 out of 1 patent)

14. Finn Oulie (1 out of 6 patents)

15. Mikael Nilsson (1 out of 2 patents)

8 patents: Sort by Forward Citations

1. 6605181 - Peroxide bleach sequence including an acidic bleach stage and including a wash stage (2003-08-12),

2. 6336994 - Totally chlorine free bleaching process using recovered filtrate (2002-01-08),

3. 6096170 - Pressurized peroxide bleaching vessel having a rotatable scraper arm and (2000-08-01),

4. 5934318 - Valve system (1999-08-10),

5. 5688369 - Method and device for feeding out fibre pulp (1997-11-18),

6. 5605604 - Method of reducing the resin content in sulfite pulp (1997-02-25),

7. 5593544 - Pulp production (1997-01-14),

8. 5567280 - Digester for cooking pulp having staggered circular screens for (1996-10-22),

Kvaerner Pulping Aktiebolag is a leading provider of technologies, services and solutions for the pulp and paper industry. With a strong focus on innovation and sustainability, the company offers a range of products and services to help its clients improve efficiency, reduce costs and minimize environmental impact. Kvaerner Pulping Aktiebolag is committed to delivering high-quality solutions that meet the needs of its customers and contribute to a more sustainable future.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#11 in Karlstad

#686 in Sweden

Karlstad, Sweden

Kvaerner Pulping Aktiebolag

Forward Citations = 46

26 inventors:

Ulf Jansson (1 out of 27 patents)

Rolf Ekholm (1 out of 29 patents)

Anders Bergqvist (1 out of 6 patents)

4. Håkan Dahllöf (1 out of 1 patent)

5. Marcelo Leite (1 out of 1 patent)

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