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Sunds Defibrator Aktiebolag

USPTO Granted Patents = 27

Forward Citations = 228

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37 inventors (with patents filed for the assignee):

Alf I Lindstrom (5 out of 8 patents)

Rolf B Reinhall (4 out of 24 patents)

Axel H Sjobom (3 out of 3 patents)

4. Johan G Johansson (2 out of 2 patents)

5. Bo R Ek (2 out of 4 patents)

6. Lars E Nasman (2 out of 3 patents)

7. Anders V Mokvist (1 out of 1 patent)

8. Per A Asberg (1 out of 1 patent)

9. Kjell G Eriksson (1 out of 2 patents)

10. Stig G Wallin (1 out of 1 patent)

11. Nils L Eriksson (1 out of 1 patent)

12. Per E Gudmundsson (1 out of 1 patent)

13. Jan-Erik Berg (1 out of 1 patent)

14. Irene K Wedin (1 out of 1 patent)

15. Kjell R Nilsson (1 out of 1 patent)

27 patents: Sort by Forward Citations

1. 5061344 - Method of making soft paper (1991-10-29),

2. 5034099 - Apparatus for the manufacture of fiber pulp using a preheater, (1991-07-23),

3. 4955549 - Apparatus for treatment of fibre suspensions (1990-09-11),

4. 4954221 - Apparatus for feeding lignocellulose-containing material through a steam (1990-09-04),

5. 4953796 - Refiner segment (1990-09-04),

6. 4948542 - Method and device for manufacturing fibre board (1990-08-14),

7. 4921650 - Method and apparatus for liquid treatment of pulp (1990-05-01),

8. 4900400 - Arrangement for liquid treatment of pulp (1990-02-13),

9. 4878997 - Method and apparatus for manufacturing fibre pulp (1989-11-07),

10. 4861433 - Dewatering press with perforated metal outer shell and resilient elastic (1989-08-29),

11. 4808310 - Apparatus for liquid treatment of pulp with vapor separation (1989-02-28),

12. 4789429 - Method of making mechanical pulp (1988-12-06),

13. 4737238 - Method of processing waste paper with white water and aluminum recycle (1988-04-12),

14. 4708829 - Apparatus for the removal of impurities from fiber suspensions (1987-11-24),

15. 4690731 - Method of making sulphate pulp (1987-09-01),

Sunds Defibrator Aktiebolag is a leading global supplier of equipment and services for the production of wood-based panel products. With a history dating back to 1950, the company offers innovative solutions that optimize the manufacturing process and improve the quality of end products. Their extensive product range includes debarking, chipping, refining, and drying systems, as well as energy-saving technologies. Sunds Defibrator Aktiebolag aims to exceed customer expectations by delivering reliable, efficient, and sustainable solutions for the wood processing industry.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

27 Patents

#20 in

#27 in Sweden

#23,316 in the World

Sunds Defibrator Aktiebolag

Forward Citations = 228

37 inventors:

Alf I Lindstrom (5 out of 8 patents)

Rolf B Reinhall (4 out of 24 patents)

Axel H Sjobom (3 out of 3 patents)

4. Johan G Johansson (2 out of 2 patents)

5. Bo R Ek (2 out of 4 patents)

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