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Helsinki, Finland

Outokumpu Oy

USPTO Granted Patents = 216

CIPO Patents = 1

Trademarks = 6

Forward Citations = 1,811

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267 inventors (with patents filed for the assignee):

Launo L Lilja (28 out of 62 patents)

Valto J Makitalo (24 out of 34 patents)

Bror G Nyman (19 out of 53 patents)

4. Frans H Tuovinen (15 out of 16 patents)

5. Stig-Erik Hultholm (14 out of 37 patents)

6. Matti E Honkaniemi (12 out of 13 patents)

7. Jussi K Rastas (11 out of 12 patents)

8. Simo A Makipirtti (11 out of 11 patents)

9. Seppo O Heimala (10 out of 10 patents)

10. Heikki J Sipila (8 out of 15 patents)

11. Risto M Heikkila (7 out of 7 patents)

12. Sigmund P Fugleberg (7 out of 19 patents)

13. Timo T Talonen (6 out of 6 patents)

14. Matti O Leiponen (6 out of 9 patents)

15. Helge J Krogerus (6 out of 11 patents)

Core Competencies:

Copper Alloys

Brazing Filler Metals

Flotation Cells

Metal Powders

Hydrometallurgy

Waste Material Treatment

X-ray Diffraction

Impulse Technique Metal Detection

Smelting Processes

Electrochemical Potential Measurement

Superconductor Springback Improvement

Industrial Wastewater Aeration

216 patents: Sort by Forward Citations

1. 5378294 - Copper alloys to be used as brazing filler metals (1995-01-03),

2. 5345473 - Apparatus for providing two-way communication in underground facilities (1994-09-06),

3. 5248485 - Method for mixing liquid, solids and gas and for simultaneously (1993-09-28),

4. 5244097 - Apparatus for feeding air into a flotation cell (1993-09-14),

5. 5240327 - Method for creating double loop flow (1993-08-31),

6. 5212994 - Measuring cell (1993-05-25),

7. 5211765 - Method for improving the springback qualities of superconductors (1993-05-18),

8. 5188808 - Method for mixing liquid, solids and gas and for simultaneously (1993-02-23),

9. 5185081 - Method and apparatus for mixing and separating two liquid phases while (1993-02-09),

10. 5182087 - Method for mixing two liquids or liquid and solid material together, and (1993-01-26),

11. 5178842 - Method for precipitating and separating metals (1993-01-12),

12. 5178827 - Copper alloys to be used as brazing filler metals (1993-01-12),

13. 5176810 - Method for producing metal powders (1993-01-05),

14. 5151006 - Automatic charging member (1992-09-29),

15. 5143600 - Apparatus for feeding air into a flotation cell (1992-09-01),

Outokumpu Oy is a Finnish stainless steel manufacturer. It provides innovative and high-performance materials for various industries, including construction, automotive, and energy. With a strong commitment to sustainability, Outokumpu focuses on improving the efficiency and longevity of its products while reducing its environmental impact. Through continuous research and development, the company offers a wide range of stainless steel solutions that meet the needs of its customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

216 Patents

#9 in Helsinki

#20 in Finland

#3,836 in the World

Helsinki, Finland

Outokumpu Oy

Forward Citations = 1,811

267 inventors:

Launo L Lilja (28 out of 62 patents)

Valto J Makitalo (24 out of 34 patents)

Bror G Nyman (19 out of 53 patents)

4. Frans H Tuovinen (15 out of 16 patents)

5. Stig-Erik Hultholm (14 out of 37 patents)

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