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Sunds Defibrator Woodhandling Oy

USPTO Granted Patents = 13

CIPO Patents = 1

Forward Citations = 131

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9 inventors (with patents filed for the assignee):

Arvo Jonkka (8 out of 24 patents)

Antti Tohkala (5 out of 9 patents)

Alpo Kalliokoski (3 out of 3 patents)

4. Hannu Tahkanen (2 out of 3 patents)

5. Pauli Vienola (2 out of 2 patents)

6. Pekka Rantala (1 out of 1 patent)

7. Timothy P Nettles (1 out of 7 patents)

8. Aaro Klaavu (1 out of 1 patent)

9. Paul Roux (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 6214164 - Process for pretreating wood chips for pulping (2001-04-10),

2. 6056030 - Blade disk arrangement for a disk chipper and a hinge strip of a wear (2000-05-02),

3. 5992204 - Method of increasing the strength of a blade, and a blade (1999-11-30),

4. 5988358 - Screw conveyor (1999-11-23),

5. 5857508 - Method of fastening a wear plate and a knife base to a disc chipper, and (1999-01-12),

6. 5765452 - Method for improving the endurance of a blade base of a disc chipper, a (1998-06-16),

7. 5727611 - Method for adjusting blade clearance in a disc chipper and axial guide (1998-03-17),

8. 5660218 - Blade system to be used in wood chipping, a blade; a guide member and a (1997-08-26),

9. 5660076 - Drive system of a rotating drum (1997-08-26),

10. 5373876 - Chipping control device and disc chipper (1994-12-20),

11. 5372062 - Method and a press for compressing material having two opposed transfer (1994-12-13),

12. 5293917 - Disc chipper feeding method and disc chipper (1994-03-15),

13. 5232097 - Screening method and apparatus (1993-08-03),

Sunds Defibrator Woodhandling Oy is a leading supplier of fiberboard and paper production equipment. With innovative solutions for wood handling and defibration, Sunds Defibrator is known for its high-quality products and reliable services. Their comprehensive range of equipment helps customers optimize their production processes and achieve excellent results.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#1 in Pori

#237 in Finland

#43,615 in the World

Sunds Defibrator Woodhandling Oy

Forward Citations = 131

9 inventors:

Arvo Jonkka (8 out of 24 patents)

Antti Tohkala (5 out of 9 patents)

Alpo Kalliokoski (3 out of 3 patents)

4. Hannu Tahkanen (2 out of 3 patents)

5. Pauli Vienola (2 out of 2 patents)

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