Forward Citations = 39

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14 inventors (with patents filed for the assignee):

Wilhelm Heller (3 out of 10 patents)

Jurgen Flugge (2 out of 3 patents)

Erwin Raquet (2 out of 11 patents)

4. Gerhard Ratz (1 out of 4 patents)

5. Heinz Dislich (1 out of 2 patents)

6. Horst Richter (1 out of 3 patents)

7. Jurgen Schneider (1 out of 6 patents)

8. Reinhard Schweitzer (1 out of 2 patents)

9. Helmut Licht (1 out of 1 patent)

10. Willi Kasper (1 out of 1 patent)

11. Karl-Heinz Heinen (1 out of 3 patents)

12. Heinz Zorcher (1 out of 2 patents)

13. Wolfgang Glitscher (1 out of 1 patent)

14. Lutz Weber (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 4714500 - Method for thermal treatment of pearlitic rail steels (1987-12-22),

2. 4659398 - Method for reducing internal stresses of roller straightened rails (1987-04-21),

3. 4604135 - Apparatus and process for the metallurgical aftertreatment of premelted (1986-08-05),

4. 4575397 - Rail having high resistance to wear in its head and high resistance to (1986-03-11),

5. 4525463 - Spout-filling mass (1985-06-25),

6. 4496183 - Vibration-damped wheel for rail vehicles (1985-01-29),

7. 4481638 - Electric arc furnace (1984-11-06),

Company Overview

Krupp Stahl Aktiengesellschaft is a leading German steel production company known for its innovation and high-quality products. With a history dating back over 200 years, the company continues to be a trusted supplier in the global steel industry. Offering a wide range of steel products and services, Krupp Stahl Aktiengesellschaft is committed to sustainable business practices and customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#13 in Bochum

#4,861 in Germany

Bochum, Germany

Krupp Stahl Aktiengesellschaft

Forward Citations = 39

14 inventors:

Wilhelm Heller (3 out of 10 patents)

Jurgen Flugge (2 out of 3 patents)

Erwin Raquet (2 out of 11 patents)

4. Gerhard Ratz (1 out of 4 patents)

5. Heinz Dislich (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Krupp Stahl Aktiengesellschaft. Retrieved from https://idiyas.com/company/krupp-stahl-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]