% Expired Patents = 75.0

EPO Patents = 5

Forward Citations = 21

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2 inventors (with patents filed for the assignee):

Pentti Virtanen (2 out of 8 patents)

Carl-Olof Palm (2 out of 3 patents)

4 patents: Sort by Forward Citations

1. 8480018 - Method and apparatus for the preparation of finely divided calcium hydroxide (2013-07-09),

2. 8474738 - Impact mill (2013-07-02),

3. 7748653 - Method and apparatus for treating materials or mixtures of materials (2010-07-06),

4. 7314190 - Method and device for disintegration of organic material and use of the device (2008-01-01),

Fractivator Oy is a leading technology company specializing in fracturing solutions for the oil and gas industry. Our innovative products and services help maximize well productivity and optimize reservoir performance. With a team of experienced engineers and cutting-edge technology, we are committed to delivering high-quality solutions tailored to meet the unique needs of our clients.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#2 in Lempäälä

#642 in Finland

Lempäälä, Finland

Fractivator Oy

Forward Citations = 21

2 inventors:

Pentti Virtanen (2 out of 8 patents)

Carl-Olof Palm (2 out of 3 patents)

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5 patents (EPO):

Please report any incorrect information to [email protected]