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Düsseldorf, Germany

Sms Schloemann-Siemag Aktiengesellschaft

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USPTO Granted Patents = 475

% Expired Patents = 2.9

Forward Citations = 2,438

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391 inventors (with patents filed for the assignee):

Hans Streubel (26 out of 48 patents)

Georg Engel (21 out of 24 patents)

Fritz-Peter Pleschiutschnigg (19 out of 62 patents)

4. Karl Keller (18 out of 47 patents)

5. Wolfgang Rohde (18 out of 20 patents)

6. Hugo Feldmann (18 out of 21 patents)

7. Dieter Rosenthal (17 out of 27 patents)

8. Wilfried Bald (17 out of 20 patents)

9. Werner Schimion (13 out of 13 patents)

10. Martin Braun (12 out of 16 patents)

11. Jürgen Seidel (11 out of 38 patents)

12. Gerhard Heitze (11 out of 14 patents)

13. Ulrich Svejkovsky (11 out of 15 patents)

14. Hubert Muller (11 out of 11 patents)

15. Hans Rommen (11 out of 12 patents)

Core Competencies:

Continuous Casting

Hot-Rolling Mill

Metal Coating

Strand Guiding

Cooling Method

Steel Production

Electroplating

Descaling Device

Annealing Process

Roll Stand Arrangement

Ferroalloys

Blast Furnace

475 patents: Sort by Forward Citations

1. 7107891 - High-speed shear for transversely cutting rolled strip (2006-09-19),

2. 6993951 - Bending device for the working rolls of a hot-rolling frame (2006-02-07),

3. 6834521 - Method and device for drying and keeping dry especially cold-rolled strip in the delivery area of cold-rolling and strip-rolling plants (2004-12-28),

4. 6833106 - Compact blast furnace installation (2004-12-21),

5. 6832432 - Hot-rolling mill (2004-12-21),

6. 6712123 - Method and device for change of section of a billet of a continuous casting plant during continuous casting (2004-03-30),

7. 6689230 - Method and apparatus for cooling hot-rolled sections (2004-02-10),

8. 6660222 - Cooling plate for a shaft furnace (2003-12-09),

9. 6655395 - Method and device for scouring and cleaning rolled steel strip (2003-12-02),

10. 6607021 - Radius configuration of a strand guide of a vertical bending caster (2003-08-19),

11. 6589400 - Apparatus for metal coating of bands by electroplating (2003-07-08),

12. 6589372 - Plain bearing producing method (2003-07-08),

13. 6578789 - Deflection method and deflection device for a strip, especially a metal strip (2003-06-17),

14. 6572517 - Current roller for an electrolytic strip coating plant (2003-06-03),

15. 6568460 - Method and apparatus for adjusting the profile of a continuously cast slab, particularly of a thin slab (2003-05-27),

Company Overview

Sms Schloemann-Siemag Aktiengesellschaft, based in Düsseldorf, Germany, specializes in advanced continuous casting technology and related processes for the steel industry. The company focuses on developing innovative solutions in areas such as hot-rolling mills, metal coating, and strand guiding. Their expertise extends to cooling methods and electroplating, enhancing efficiency and quality in steel production. With a commitment to technological advancement, Sms Schloemann-Siemag plays a vital role in shaping modern metallurgical processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

475 Patents

#3 in Düsseldorf

#119 in Germany

#2,017 in the World

Düsseldorf, Germany

Sms Schloemann-Siemag Aktiengesellschaft

Forward Citations = 2,438

391 inventors:

Hans Streubel (26 out of 48 patents)

Georg Engel (21 out of 24 patents)

Fritz-Peter Pleschiutschnigg (19 out of 62 patents)

4. Karl Keller (18 out of 47 patents)

5. Wolfgang Rohde (18 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sms Schloemann-Siemag Aktiengesellschaft. Retrieved from https://idiyas.com/company/sms-schloemann-siemag-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]

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