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Karlstad, Sweden

Kamyr Aktiebolag

USPTO Granted Patents = 28

Forward Citations = 291

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23 inventors (with patents filed for the assignee):

Johan C Richter (12 out of 29 patents)

Ole J Richter (6 out of 20 patents)

Ulf Jansson (4 out of 27 patents)

4. Rolf Ekholm (4 out of 29 patents)

5. Finn Jacobsen (3 out of 15 patents)

6. Lennart Gustavsson (2 out of 29 patents)

7. Ronny Hoglund (2 out of 12 patents)

8. Bo Clarstrom (1 out of 7 patents)

9. Hakan Dahllof (1 out of 6 patents)

10. Joseph R Phillips (1 out of 39 patents)

11. Allan Sven Jonsson (1 out of 5 patents)

12. Finn Oulie (1 out of 6 patents)

13. Rune Hillstrom (1 out of 4 patents)

14. Ann-Sofi Jonsson (1 out of 2 patents)

15. Sture Eriksson (1 out of 3 patents)

28 patents: Sort by Forward Citations

1. 6004364 - Separation device (1999-12-21),

2. 5407103 - Apparatus for discharging particle material (1995-04-18),

3. D354063 - Chute connection to a pulp pump (1995-01-03),

4. 5366347 - Suspension pump with built-in variably eccentric liquid ring pump (1994-11-22),

5. 5366288 - Apparatus for mixing a suspension of cellulosic fibrous material and (1994-11-22),

6. 5234550 - Wall means having slots between adjacent bars for withdrawing liquid (1993-08-10),

7. 5074995 - Apparatus for separating particles from a pulp flow and dividing the (1991-12-24),

8. 5050380 - Means for receiving and subsequently emptying hydraulic fluid from a (1991-09-24),

9. 5034128 - Apparatus for dewatering pulp (1991-07-23),

10. 4890550 - Apparatus for treating fibre material containing liquid (1990-01-02),

11. 4637878 - Reciprocal movable screens in a vertically elongated vessel (1987-01-20),

12. 4556494 - Method of diffusion washing or thickening of pulp (1985-12-03),

13. 4529482 - Apparatus for the treatment of pulp having oscillating distributing (1985-07-16),

14. 4303508 - Screening device (1981-12-01),

15. 4280902 - Separation of dense impurities from a fluid (1981-07-28),

Kamyr Aktiebolag is a leading provider of advanced technology solutions for the pulp and paper industry. With a history dating back to 1929, Kamyr has established itself as a trusted partner for global paper producers. They specialize in the design, manufacturing, and installation of innovative equipment and systems for pulp production, such as continuous digesters, screw presses, and wash presses. Kamyr's solutions enhance efficiency, productivity, and sustainability in the pulp and paper manufacturing process.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

28 Patents

#5 in Karlstad

#229 in Sweden

#22,547 in the World

Karlstad, Sweden

Kamyr Aktiebolag

Forward Citations = 291

23 inventors:

Johan C Richter (12 out of 29 patents)

Ole J Richter (6 out of 20 patents)

Ulf Jansson (4 out of 27 patents)

4. Rolf Ekholm (4 out of 29 patents)

5. Finn Jacobsen (3 out of 15 patents)

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