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Norskhydro Asa

USPTO Granted Patents = 172

CIPO Patents = 35

EPO Patents = 90

Trademarks = 18

Forward Citations = 1,617

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318 inventors (with patents filed for the assignee):

Stein Julsrud (11 out of 11 patents)

Per Eivind Gramme (11 out of 12 patents)

Oddvin Reiso (9 out of 9 patents)

4. Ulf Tundal (7 out of 9 patents)

5. Idar Kjetil Steen (7 out of 10 patents)

6. Gunnar Hannibal Lie (7 out of 7 patents)

7. Arild Håkonsen (6 out of 6 patents)

8. Ole-Jacob Siljan (5 out of 5 patents)

9. Svein Erling Johnstad (5 out of 7 patents)

10. Knut Ingvar &angst;sen (5 out of 5 patents)

11. Freddy Johnsen (5 out of 6 patents)

12. John Erik Hafsås (4 out of 4 patents)

13. Steinar Pedersen (4 out of 9 patents)

14. Finn Myhren (4 out of 20 patents)

15. Harald Breivik (4 out of 19 patents)

Core Competencies:

Aluminium Production

Electrolysis Cells

Casting Equipment

Aluminium Alloys

Heat Recovery

Fluid Separation

Continuous Casting

Extrusion Technology

Thermal Processing

Metal Inclusions

Geophysical Surveying

Hydrocarbon Prospecting

172 patents: Sort by Forward Citations

1. 12043880 - Method for producing thermally processed material (2024-07-23),

2. 11746432 - Method and means for application of anode covering material (ACM) in an electrolysis cell of Hall-Heroult type for aluminium production (2023-09-05),

3. 11654478 - Casting equipment (2023-05-23),

4. 11624102 - Method and device for producing feedstock in piece form from metal (2023-04-11),

5. 11542576 - Aluminium extrusion alloy suitable for etched and anodized components (2023-01-03),

6. 11466377 - Method for providing a cathode lining barrier layer in an electrolysis cell and a material for same (2022-10-11),

7. 11453938 - Method for and equipment for suppressing discoloration of Al—Mg products (2022-09-27),

8. 11376655 - Casting apparatus and casting method (2022-07-05),

9. 11376654 - Casting method and casting apparatus for DC casting (2022-07-05),

10. 11313019 - Method for producing a heat treatable aluminum alloy with improved mechanical properties (2022-04-26),

11. 11255712 - Determining a presence or absence of water in a DC casting starter block : method and direct chill apparatus claims (2022-02-22),

12. 11123792 - Apparatus and method for applying ceramic foam filters for the removal of unwanted inclusions from metal melts (2021-09-21),

13. 11023837 - Method for the optimisation of product properties and production costs of industrial processes (2021-06-01),

14. 10994328 - Method for casting (2021-05-04),

15. 10989580 - Apparatus and method for feeding doses of fluidisable materials (2021-04-27),

NorskHydro ASA is a Norwegian multi-national company engaged in the production and refining of aluminum and renewable energy. With over 35,000 employees, it operates in more than 40 countries worldwide. NorskHydro is one of the biggest integrated aluminum companies globally, with activities encompassing all phases of aluminum production, from bauxite extraction to the manufacturing of finished products. Additionally, the company is a significant player in the renewable energy sector, focusing on hydropower. Its commitment to sustainability and responsible practices has earned NorskHydro several industry recognitions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

172 Patents

#2 in Oslo

#5 in Norway

#4,689 in the World

Norskhydro Asa

Forward Citations = 1,617

318 inventors:

Stein Julsrud (11 out of 11 patents)

Per Eivind Gramme (11 out of 12 patents)

Oddvin Reiso (9 out of 9 patents)

4. Ulf Tundal (7 out of 9 patents)

5. Idar Kjetil Steen (7 out of 10 patents)

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