For the Inventor, By the Inventor

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Metso Woodhandling Oy

USPTO Granted Patents = 3

CIPO Patents = 3

Forward Citations = 9

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6 inventors (with patents filed for the assignee):

Arvo Jonkka (3 out of 24 patents)

Antti Tohkala (9 patents)

Alpo Kalliokoski (3 patents)

4. Aaro Klaavu (1 patent)

3 patents: Sort by Forward Citations

1. 6769532 - Method and apparatus for conveying a solid material (2004-08-03),

2. 6516843 - Method for defrosting logs and a defrosting apparatus (2003-02-11),

3. 6484770 - Method of chipping of wood and a disc chipper (2002-11-26),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#4 in Pori

#770 in Finland

Metso Woodhandling Oy

Forward Citations = 9

6 inventors:

Arvo Jonkka (3 out of 24 patents)

Antti Tohkala (9 patents)

Alpo Kalliokoski (3 patents)

4. Aaro Klaavu (1 patent)

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