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Hamberg, Germany

Norddeutsche Affinerie Aktiengesellschaft

USPTO Granted Patents = 20

CIPO Patents = 3

Forward Citations = 242

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41 inventors (with patents filed for the assignee):

Bernd E Langner (5 out of 5 patents)

Adalbert Bartsch (5 out of 6 patents)

Hartmut Ploss (3 out of 4 patents)

4. Rene-Holger Wilde (3 out of 3 patents)

5. Peter Stantke (3 out of 3 patents)

6. Gerhard Berndt (3 out of 5 patents)

7. Heinrich Schliefer (2 out of 2 patents)

8. Werner Marnette (2 out of 2 patents)

9. Jurgen Lehne (2 out of 2 patents)

10. Arno W Bartsch (2 out of 2 patents)

11. Lars Kersten (2 out of 2 patents)

12. Georg Gospos (2 out of 2 patents)

13. Manfred Jaeckel (1 out of 7 patents)

14. Alexander Khoury (1 out of 1 patent)

15. Stefan Schneider (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 7264767 - Method and device for reducing the oxygen content of a copper melt (2007-09-04),

2. 5817855 - Copper-based catalysts, processes for their production and their use and (1998-10-06),

3. 5707420 - Process for the production of a copper powder containing dispersoids (1998-01-13),

4. 5413626 - Process for the wet cleaning of gases (1995-05-09),

5. 5409686 - Process for producing yellow copper (I) oxide with narrow particle size (1995-04-25),

6. 4944935 - Process for producing copper hydroxide (1990-07-31),

7. 4917857 - Process for producing metallic or ceramic hollow-sphere bodies (1990-04-17),

8. 4909837 - Process and apparatus for granulating molten slag (1990-03-20),

9. 4871147 - Apparatus for the pyrometallurgical processing of fine-grained solids (1989-10-03),

10. 4834842 - Method of measuring the effective inhibitor concentration during a (1989-05-30),

11. 4818280 - Process for producing nonferrous metal powder (1989-04-04),

12. 4670124 - Cathode for use in the electrolytic refining of copper and method of (1987-06-02),

13. 4665842 - Apparatus for producing ignitable solids-gas suspensions (1987-05-19),

14. 4647358 - Current-feeding cathode-mounting device (1987-03-03),

15. 4615351 - Method of and apparatus for monitoring the surface level of material in (1986-10-07),

Norddeutsche Affinerie Aktiengesellschaft, now known as Aurubis, is a leading global provider of non-ferrous metals and the largest copper producer in Europe. They focus on processing copper concentrates, recycling materials, and producing high-quality products such as cathodes and bars. With over 150 years of experience, Aurubis is committed to sustainable practices and innovation in the metals industry.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

20 Patents

#2 in Hamberg

#2,238 in Germany

#30,316 in the World

Hamberg, Germany

Norddeutsche Affinerie Aktiengesellschaft

Forward Citations = 242

41 inventors:

Bernd E Langner (5 out of 5 patents)

Adalbert Bartsch (5 out of 6 patents)

Hartmut Ploss (3 out of 4 patents)

4. Rene-Holger Wilde (3 out of 3 patents)

5. Peter Stantke (3 out of 3 patents)

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