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Outokumpu Technology Oy

USPTO Granted Patents = 16

CIPO Patents = 7

Trademarks = 2

Forward Citations = 52

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54 inventors (with patents filed for the assignee):

Launo L Lilja (3 out of 62 patents)

Ari Rantala (2 out of 8 patents)

Henri K Virtanen (2 out of 20 patents)

4. Risto Saarinen (2 out of 22 patents)

5. Stig-Erik Hultholm (2 out of 37 patents)

6. Timo U Niitti (2 out of 9 patents)

7. Lauri Mustikka (2 out of 2 patents)

8. Bror G Nyman (2 out of 53 patents)

9. Ilkka Veikko Kojo (2 out of 13 patents)

10. Maija-Leena Metsärinta (1 out of 4 patents)

11. Heikki Oravainen (1 out of 2 patents)

12. Juhani Lyyra (1 out of 15 patents)

13. Raimo Kuusisto (1 out of 15 patents)

14. Pekka Taskinen (1 out of 9 patents)

15. Juha Järvi (1 out of 2 patents)

16 patents: Sort by Forward Citations

1. 7179374 - Device for shear-thinning of solids containing material (2007-02-20),

2. 7122109 - Method for the improvements of current efficiency in electrolysis (2006-10-17),

3. 7118719 - Method for the hydrolytic precipitation of iron (2006-10-10),

4. 7070174 - Mixing apparatus for mixing gas in a closed reactor (2006-07-04),

5. 7044996 - Method for reducing build-up on a roasting furnace grate (2006-05-16),

6. 7002171 - Method for improving the quality of cathodes in electrolysis (2006-02-21),

7. 6991111 - Flotation mechanism and cell (2006-01-31),

8. 6955140 - Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace (2005-10-18),

9. 6953547 - Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace (2005-10-11),

10. 6945408 - Flotation machine (2005-09-20),

11. 6937167 - Method for joining a jacket element and a core element together (2005-08-30),

12. 6936216 - Melt launder (2005-08-30),

13. 6929677 - Method for leaching copper concentrate (2005-08-16),

14. 6253927 - Roller screen (2001-07-03),

15. 6197249 - Apparatus for conducting gas through material to be sintered (2001-03-06),

Outotec is a leading provider of sustainable minerals and metals processing technologies and lifecycle services for the mining and metallurgical industry. We offer innovative solutions for process solutions and technologies for the whole life cycle of mining projects, for minerals processing and recovery of base metals, precious metals, iron ore, and industrial minerals.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#49 in Espoo

#195 in Finland

#36,634 in the World

Outokumpu Technology Oy

Forward Citations = 52

54 inventors:

Launo L Lilja (3 out of 62 patents)

Ari Rantala (2 out of 8 patents)

Henri K Virtanen (2 out of 20 patents)

4. Risto Saarinen (2 out of 22 patents)

5. Stig-Erik Hultholm (2 out of 37 patents)

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