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For the Inventor, By the Inventor

Vtt, Finland

Metso Power Oy


USPTO Granted Patents = 16

% Expired Patents = 37.5



Forward Citations = 45

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34 inventors (with patents filed for the assignee):

goldMedal Jani Lehto (5 out of 9 patents)

silverMedal Risto Hämäläinen (3 out of 8 patents)

bronzeMedal Seppo Tuominiemi (3 out of 11 patents)

4.  Mikko Anttila (3 out of 3 patents)

5.  Ari Saarela (2 out of 4 patents)

6.  Hannu Koskela (2 out of 3 patents)

7.  Tarja Korhonen (2 out of 3 patents)

8.  Markku Raiko (2 out of 5 patents)

9.  Pasi Salonen (1 out of 3 patents)

10.  Heikki Airikkala (1 out of 3 patents)

11.  Kari Haaga (1 out of 6 patents)

12.  Tuomo Hilli (1 out of 4 patents)

13.  Vesa Kainu (1 out of 4 patents)

14.  Kari Kuukkanen (1 out of 3 patents)

15.  Kalle Salmi (1 out of 4 patents)


16 patents:

1. 8668811 - Method and apparatus for producing a pyrolysis liquid (2014-03-11),
2. 8500959 - Method for performing pyrolysis and a pyrolysis apparatus (2013-08-06),
3. 8500954 - Method and apparatus for processing black liquor of pulp mill (2013-08-06),
4. 8349055 - Method and scrubber for scrubbing flue gas flows (2013-01-08),
5. 8287697 - Pyrolysis method in connection with a boiler and a pyrolysis apparatus (2012-10-16),
6. 8141502 - Fluidized bed boiler and a grate element for the same (2012-03-27),
7. 8052803 - Method for preventing chlorine deposition on the heat-transferring surfaces of a boiler (2011-11-08),
8. 7976809 - Method and an equipment for reducing the sulphur dioxide emissions of a marine engine (2011-07-12),
9. 7910079 - Method and an apparatus for removing carbon dioxide from sulphur dioxide containing flue gases (2011-03-22),
10. 7900567 - Shielding arrangement for the smelt spout area of a recovery boiler (2011-03-08),
11. 7891325 - Cleaner for the smelt spout of a recovery boiler (2011-02-22),
12. 7758835 - Method for treating fly ash in a fluidized bed boiler and boiler plant (2010-07-20),
13. 7591988 - Method for processing flue gases (2009-09-22),
14. 7465372 - Method for treatment of spent liquor (2008-12-16),
15. 7331181 - Reheating steam temperature control (2008-02-19),
Company Overview
Metso Power Oy, based in Vtt, Finland, specializes in providing advanced solutions for the energy and process industries. The company focuses on the development and manufacturing of technologies that enhance efficiency and sustainability in power generation and industrial processes. With a strong emphasis on innovation, Metso Power Oy is dedicated to improving operational performance through cutting-edge research in areas such as automation, emissions reduction, and resource optimization, contributing to a more sustainable future.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#2 in Vtt

#201 in Finland

#37,788 in the World

Vtt, FI
Vtt, Finland

Metso Power Oy

Forward Citations = 45

34 inventors:

goldMedal Jani Lehto (5 out of 9 patents)

silverMedal Risto Hämäläinen (3 out of 8 patents)

bronzeMedal Seppo Tuominiemi (3 out of 11 patents)

4.  Mikko Anttila (3 out of 3 patents)

5.  Ari Saarela (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metso Power Oy. Retrieved from https://idiyas.com/company/metso-power-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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