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Dortmund, Germany

Hoesch Werke Aktiengesellschaft

USPTO Granted Patents = 72

Forward Citations = 824

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108 inventors (with patents filed for the assignee):

Theodor Sevenich (10 out of 10 patents)

Wolfgang Fabian (7 out of 8 patents)

Konrad Klein (6 out of 6 patents)

4. Hermann-Josef Kopineck (6 out of 8 patents)

5. Heinz Gross (5 out of 8 patents)

6. Hans Wladika (4 out of 4 patents)

7. Wilhelm Tappe (4 out of 7 patents)

8. Gerd Buhne (4 out of 5 patents)

9. Friedrich-Otto Koch (3 out of 5 patents)

10. Alois Stenert (3 out of 4 patents)

11. Heinz Pohler (3 out of 3 patents)

12. Wilhelm Nellen (3 out of 3 patents)

13. Ladislav Gregorec (3 out of 3 patents)

14. Wolfgang Bottcher (3 out of 6 patents)

15. Gunter Bartzick (3 out of 4 patents)

Core Competencies:

High-Strength Steel Tubes

Welded Pipe Connections

Anti-Friction Bearings

Multi-Layer Pipes

Rolling Mill Products

Surface Flaws Detection

Steel-Making Scrap

Inductor Heating

Seam Welded Tubing

Dimensional Accuracy

Temperature Equalization

Strapping Band Tensioning

72 patents: Sort by Forward Citations

1. 5067659 - Method of treating refuse scrap (1991-11-26),

2. 4832106 - Production of castings containing steel tubes (1989-05-23),

3. 4823847 - Multi-layer helical seam steel pipe (1989-04-25),

4. 4732623 - Method of making high strength steel tube (1988-03-22),

5. 4662570 - Apparatus for processing refuse to produce steel-making scrap (1987-05-05),

6. 4621176 - Method of and device for monitoring and/or controlling welding current (1986-11-04),

7. 4579273 - Welded pipe connection (1986-04-01),

8. 4574848 - Device for tensioning a strapping band positioned around a package (1986-03-11),

9. 4572587 - Road wheel for a track-laying vehicle (1986-02-25),

10. 4535215 - Method and device for controlling the welding process in the (1985-08-13),

11. 4531409 - Test system for defect determination in welding seams (1985-07-30),

12. 4527454 - Rotary sheet-metal trimming shear (1985-07-09),

13. 4527379 - Apparatus for connecting overlapping ends of a strapping band tensioned (1985-07-09),

14. 4516488 - Support and tensioning apparatus for tensioning a strapping band about a (1985-05-14),

15. 4463995 - Safety mounting for large antifriction bearings (1984-08-07),

Company Overview

Hoesch Werke Aktiengesellschaft, based in Dortmund, Germany, specializes in the manufacturing of high-strength steel products. The company is recognized for its expertise in high-strength steel tubes, welded pipe connections, and anti-friction bearings. Additionally, it focuses on innovative solutions such as multi-layer pipes and rolling mill products, while also addressing critical aspects of steel production like surface flaws detection and inductor heating. Hoesch's commitment to quality and technology positions it as a key player in the steel manufacturing sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

72 Patents

#5 in Dortmund

#798 in DT

#10,396 in the World

Dortmund, Germany

Hoesch Werke Aktiengesellschaft

Forward Citations = 824

108 inventors:

Theodor Sevenich (10 out of 10 patents)

Wolfgang Fabian (7 out of 8 patents)

Konrad Klein (6 out of 6 patents)

4. Hermann-Josef Kopineck (6 out of 8 patents)

5. Heinz Gross (5 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hoesch Werke Aktiengesellschaft. Retrieved from https://idiyas.com/company/hoesch-werke-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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