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Bochum, Germany

Fried. Krupp Huttenwerke Ag

USPTO Granted Patents = 23

Forward Citations = 193

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34 inventors (with patents filed for the assignee):

Erwin Raquet (9 out of 11 patents)

Wilhelm Heller (4 out of 10 patents)

Helmut Licht (4 out of 5 patents)

4. Walter Knorr (2 out of 2 patents)

5. Heinz Koch (2 out of 2 patents)

6. Wilfried Pulvermacher (2 out of 2 patents)

7. Otto Fischer (2 out of 2 patents)

8. Manfred Schindehutte (1 out of 8 patents)

9. Eberhard Steinmetz (1 out of 2 patents)

10. Jurgen Kuhn (1 out of 2 patents)

11. Willi Kasper (1 out of 2 patents)

12. Jurgen Berve (1 out of 1 patent)

13. Franz Josten (1 out of 1 patent)

14. Ewald Nelken (1 out of 1 patent)

15. Ernst Altfeld (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 4392681 - Rotating body sympathetic vibration absorber (1983-07-12),

2. 4364594 - Railway wheel vibration damping device (1982-12-21),

3. 4355578 - Railway wheels and rails damping structures (1982-10-26),

4. 4353586 - Vibration damped railway wheel (1982-10-12),

5. 4273949 - Arc furnace roof (1981-06-16),

6. 4230488 - Abrasion resistant rails and/or rail wheels, and process for producing (1980-10-28),

7. 4203546 - Oscillation dampening system for a railway track (1980-05-20),

8. 4189314 - Method of utilizing waste dust and waste sludge from blast furnaces and (1980-02-19),

9. 4178173 - Process for producing stainless steels (1979-12-11),

10. 4137760 - Measuring wheel (1979-02-06),

11. 4082577 - Process for the heat treatment of steel (1978-04-04),

12. 4080152 - Bracing tube for pusher type or rocker bar furnaces (1978-03-21),

13. 4074982 - Process and means for grinding out faults in the surface of a work piece (1978-02-21),

14. 4070884 - Process and device for de-scaling elongated metallic bars during (1978-01-31),

15. 4067600 - Track wheel having a lightweight construction (1978-01-10),

Fried. Krupp Huttenwerke AG, founded in 1903, was a leading German steel manufacturer known for its high-quality products and innovative technology. The company played a significant role in the industrial development of Germany and Europe, with a focus on producing steel for various industries. With a strong legacy of excellence and a commitment to sustainability, Fried. Krupp Huttenwerke AG continues to be a reputable player in the global steel market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

23 Patents

#5 in Bochum

#1,998 in Germany

#26,805 in the World

Bochum, Germany

Fried. Krupp Huttenwerke Ag

Forward Citations = 193

34 inventors:

Erwin Raquet (9 out of 11 patents)

Wilhelm Heller (4 out of 10 patents)

Helmut Licht (4 out of 5 patents)

4. Walter Knorr (2 out of 2 patents)

5. Heinz Koch (2 out of 2 patents)

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