For the Inventor, By the Inventor

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Valmet Woodhandling Oy

USPTO Granted Patents = 3

Forward Citations = 2

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5 inventors (with patents filed for the assignee):

Arvo Jonkka (1 out of 24 patents)

Hannu Tähkänen (1 out of 1 patent)

Kari Liljeroos (1 out of 1 patent)

4. Tero Aronen (1 out of 1 patent)

5. Jukka Paani (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6907995 - Chip screening method and plant (2005-06-21),

2. 6213178 - Method and apparatus for handling logs to be debarked (2001-04-10),

3. 6173748 - Method of reducing noise in a barking plant and a barking drum, chipper and conveying line (2001-01-16),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#4 in Pori

#769 in Finland

Valmet Woodhandling Oy

Forward Citations = 2

5 inventors:

Arvo Jonkka (1 out of 24 patents)

Hannu Tähkänen (1 out of 1 patent)

Kari Liljeroos (1 out of 1 patent)

4. Tero Aronen (1 out of 1 patent)

5. Jukka Paani (1 out of 1 patent)

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