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Duisburg, Germany

Thyssenkrupp Stahl Ag

USPTO Granted Patents = 36

% Expired Patents = 52.8

CIPO Patents = 2

Forward Citations = 224

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75 inventors (with patents filed for the assignee):

Rudolf Kawalla (7 out of 16 patents)

Hans Pircher (6 out of 13 patents)

Thomas Flehmig (5 out of 49 patents)

4. Carl-Dieter Wuppermann (5 out of 7 patents)

5. Bernhard Engl (5 out of 8 patents)

6. Brigitte Hammer (4 out of 9 patents)

7. Cetin Nazikkol (4 out of 5 patents)

8. Friedrich Behr (4 out of 17 patents)

9. Martin Kibben (3 out of 17 patents)

10. Olaf Fischer (3 out of 8 patents)

11. Lothar Patberg (3 out of 46 patents)

12. Karl Ernst Friedrich (3 out of 6 patents)

13. Jürgen Schneider (3 out of 4 patents)

14. Klaus Blümel (3 out of 4 patents)

15. Manfred Espenhahn (3 out of 8 patents)

Core Competencies:

Metal Laminate

Magnesium Hot Strip

Chassis Component

Magnetic Steel Sheet

Three-Dimensional Forming

Vehicle Support Structure

Hot-Rolled Strip

Cold-Rolled Bands

Welding Device

Friction Properties

Composite Material

Aging-Resistant Steel

36 patents: Sort by Forward Citations

1. 10166742 - Metal-polyamide/polyethylene-metal laminate (2019-01-01),

2. 7726383 - Method for producing a magnesium hot strip (2010-06-01),

3. 7703207 - Blank, chassis component and method for production of said chassis component (2010-04-27),

4. 7501028 - Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production (2009-03-10),

5. 7290422 - Device for free three-dimensional profile forming (2007-11-06),

6. 7273247 - Support structure for vehicles, made from hollow steel sections (2007-09-25),

7. 7152660 - Rotary lead-through for the coolant inflow and outflow of a back-up and/or conveyor roller which is rotably held in a bearing arrangement at the end (2006-12-26),

8. 7100433 - Vehicle wheel having primary detector function (2006-09-05),

9. 7052072 - Sealing for an opening closure on a car body, especially in space-frame design (2006-05-30),

10. 6941787 - Bending device for thin-walled metal pipes (2005-09-13),

11. 6887590 - Galvannealed metal sheet and method for manufacture of such metal sheet (2005-05-03),

12. 6883218 - Method for the production of a cold formed piece part made out of a steel plate (2005-04-26),

13. 6874724 - Method and device for reeling up in the proper position a hot-rolled strip in a reeling installation (2005-04-05),

14. 6855218 - Method for producing a hot-rolled strip (2005-02-15),

15. 6835253 - Method for producing a hot strip (2004-12-28),

Company Overview

Thyssenkrupp Stahl AG, based in Duisburg, Germany, specializes in the production of high-quality steel products and solutions. The company is a key player in the steel industry, focusing on innovative manufacturing processes and sustainable practices. Thyssenkrupp Stahl AG serves various sectors, including automotive, construction, and engineering, leveraging advanced technologies to enhance product performance and efficiency. Their commitment to research and development drives continuous improvement in steel applications and environmental stewardship.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

36 Patents

#10 in Duisburg

#1,396 in Germany

#18,730 in the World

Duisburg, Germany

Thyssenkrupp Stahl Ag

Forward Citations = 224

75 inventors:

Rudolf Kawalla (7 out of 16 patents)

Hans Pircher (6 out of 13 patents)

Thomas Flehmig (5 out of 49 patents)

4. Carl-Dieter Wuppermann (5 out of 7 patents)

5. Bernhard Engl (5 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Thyssenkrupp Stahl Ag. Retrieved from https://idiyas.com/company/thyssenkrupp-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]

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