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For the Inventor, By the Inventor

Pirkkala, Finland

Micropulva Ltd Oy


USPTO Granted Patents = 3

% Expired Patents = 66.7


Forward Citations = 2

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3 inventors (with patents filed for the assignee):

goldMedal Jouko Niemi (3 out of 13 patents)

silverMedal Risto Mannonen (2 out of 2 patents)

bronzeMedal Jarkko Tamminen (1 out of 2 patents)


3 patents:

1. 10022759 - Method for refining of in power plants produced coal ash and coal containing ashes produced in other combustion processings (2018-07-17),
2. 9278358 - Method for refining coal ash by separating carbonous product and regenerating siliceous ash products and use of a carbonous product produced by the method (2016-03-08),
3. 7461799 - Method for industrial producing of highly dispersed powders (2008-12-09),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#6 in Pirkkala

#793 in Finland

Pirkkala, FI
Pirkkala, Finland

Micropulva Ltd Oy

Forward Citations = 2

3 inventors:

goldMedal Jouko Niemi (3 out of 13 patents)

silverMedal Risto Mannonen (2 out of 2 patents)

bronzeMedal Jarkko Tamminen (1 out of 2 patents)

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