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Hamburg, Germany

Hamburger Stahlwerke Gmbh

USPTO Granted Patents = 9

Forward Citations = 35

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20 inventors (with patents filed for the assignee):

Manfred Reumann (2 out of 2 patents)

Klaus Walden (2 out of 2 patents)

Gero Papst (2 out of 2 patents)

4. Gunther Ropke (2 out of 2 patents)

5. Eckehard F Forster (2 out of 2 patents)

6. Ernst Luhrsen (1 out of 27 patents)

7. Andreas Kubicek (1 out of 1 patent)

8. Wolfgang Preiss (1 out of 1 patent)

9. Manfred Wagner (1 out of 1 patent)

10. Klaus Theis (1 out of 1 patent)

11. Wolfram Becher (1 out of 1 patent)

12. Hans-Jorg Topfer, Deceased (1 out of 1 patent)

13. Siegfried Sensis (1 out of 1 patent)

14. Dieter Ameling (1 out of 1 patent)

15. Joachim Schwerdtfeger (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4995251 - System for trimming leading and trailing ends from a wire coil (1991-02-26),

2. 4891963 - Wire rod rolling mill (1990-01-09),

3. 4624298 - Method of cooling strands in the continuous casting of steel (1986-11-25),

4. 4374585 - Apparatus for the direct reduction of iron ores (1983-02-22),

5. 4290800 - Process for feeding iron sponge into an electric arc furnace (1981-09-22),

6. 4268015 - Bottom outlet or discharge for use in metallurgical vessels for steel (1981-05-19),

7. 4248623 - Process for the direct reduction of iron ores (1981-02-03),

8. 4222257 - Method of manufacturing rolled wire rod (1980-09-16),

9. 3949585 - Process for cooling rolled wire (1976-04-13),

Hamburger Stahlwerke GmbH is a leading steel manufacturer based in Hamburg, Germany. With a history dating back to 1838, the company has established itself as a reliable and high-quality provider of steel products for various industries. HSW specializes in producing hot-rolled coils, heavy plates, and high-grade steels, catering to the needs of customers worldwide. The company is known for its innovative approach, sustainable practices, and commitment to quality, making it a trusted partner in the steel industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#89 in Hamburg

#4,027 in Germany

Hamburg, Germany

Hamburger Stahlwerke Gmbh

Forward Citations = 35

20 inventors:

Manfred Reumann (2 out of 2 patents)

Klaus Walden (2 out of 2 patents)

Gero Papst (2 out of 2 patents)

4. Gunther Ropke (2 out of 2 patents)

5. Eckehard F Forster (2 out of 2 patents)

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