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For the Inventor, By the Inventor

Lappeenranta, Finland

Outotec (Filters) Oy

USPTO Granted Patents = 1

Trademarks = 2

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Leena Tanttu (1 out of 2 patents)

silverMedal Janne Kauppi (1 out of 4 patents)

bronzeMedal Yrjö Oinonen (1 out of 2 patents)


1 patent:

1. 9873070 - Method for preparing a precoat on the surface of the filter medium of a polishing filter, polishing filter and use of a polishing filter (2018-01-23),
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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#20 in Lappeenranta

#1,505 in Finland

Lappeenranta, FI
Lappeenranta, Finland

Outotec (Filters) Oy

Forward Citations = 0

3 inventors:

goldMedal Leena Tanttu (1 out of 2 patents)

silverMedal Janne Kauppi (1 out of 4 patents)

bronzeMedal Yrjö Oinonen (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Outotec (Filters) Oy. Retrieved from https://idiyas.com/company/outotec-filters-oy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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