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Elkem Asa

USPTO Granted Patents = 47

CIPO Patents = 10

EPO Patents = 20

Trademarks = 49

Forward Citations = 160

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68 inventors (with patents filed for the assignee):

Magne Dastol (5 out of 9 patents)

Oddvar Knustad (5 out of 5 patents)

Emmanuelle Ott (5 out of 5 patents)

4. Ole Svein Klevan (4 out of 4 patents)

5. Tor Soyland Hansen (3 out of 3 patents)

6. Vladimir Matychenkov (3 out of 3 patents)

7. Gabriella Maria Tranell (3 out of 5 patents)

8. Johan Arnold Johansen (3 out of 6 patents)

9. Ragnar Tronstad (3 out of 7 patents)

10. Erik Enebakk (3 out of 6 patents)

11. Olaf Trygve Vegge (3 out of 3 patents)

12. Odd Skogerbo (2 out of 2 patents)

13. Mohamed Al-Bagoury (2 out of 5 patents)

14. Arianeh Aamodt (2 out of 2 patents)

15. Matthew Liptak (2 out of 2 patents)

Core Competencies:

Silicon Based Alloy

Cast Iron Inoculant

Silicon-Carbon Composite Anode

NPK-Si Fertilizer

Calcium-Silicate Based Slag

Electrolytic Cell

Amorphous Silica Production

Viscosifier for Oil Well Fluids

Grain Refining Alloy

Self-Baking Carbon Electrode

Metallurgical Grade Silicon

Carbon Electrodes

47 patents: Sort by Forward Citations

1. 12291764 - Silicon based alloy, method for the production thereof and use of such alloy (2025-05-06),

2. 12083591 - Mould powder and mould coating (2024-09-10),

3. 11932913 - Cast iron inoculant and method for production of cast iron inoculant (2024-03-19),

4. 11846000 - Cast iron inoculant and method for production of cast iron inoculant (2023-12-19),

5. 11777079 - Silicon-carbon composite anode for lithium-ion batteries (2023-10-03),

6. 11708618 - Cast iron inoculant and method for production of cast iron inoculant (2023-07-25),

7. 11542578 - Silicon based alloy, method for the production thereof and use of such alloy (2023-01-03),

8. 11486012 - Cast iron inoculant and method for production of cast iron inoculant (2022-11-01),

9. 11486011 - Cast iron inoculant and method for production of cast iron inoculant (2022-11-01),

10. 11479828 - Cast iron inoculant and method for production of cast iron inoculant (2022-10-25),

11. 11322741 - Silicon powder for use in anodes for lithium-ion batteries and method for production of silicon powder (2022-05-03),

12. 11299436 - NPK-Si fertilizer, method for production and use thereof (2022-04-12),

13. 11254622 - NPK-Si-humate fertilizer, method for production and use thereof (2022-02-22),

14. 11098383 - Cast iron inoculant and method for production of cast iron inoculant (2021-08-24),

15. 11021412 - Fertilizer comprising bioavailable Si and method for production thereof (2021-06-01),

Elkem ASA is a Norwegian industrial company that specializes in the production of silicon, silicones, ferrosilicon, foundry alloys, and carbon materials. With over 100 years of experience, Elkem has established a global presence and serves a wide range of industries, including automotive, construction, electronics, energy, and more. The company focuses on delivering innovative solutions and sustainable products to meet the evolving 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

47 Patents

#12 in Oslo

#33 in Norway

#14,401 in the World

Elkem Asa

Forward Citations = 160

68 inventors:

Magne Dastol (5 out of 9 patents)

Oddvar Knustad (5 out of 5 patents)

Emmanuelle Ott (5 out of 5 patents)

4. Ole Svein Klevan (4 out of 4 patents)

5. Tor Soyland Hansen (3 out of 3 patents)

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