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Gewerkschaft Eisenhutte Westfalia, Gmbh

USPTO Granted Patents = 325

Forward Citations = 2,506

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197 inventors (with patents filed for the assignee):

Walter Weirich (46 out of 46 patents)

Bernd Steinkuhl (27 out of 34 patents)

Gerhard Merten (26 out of 67 patents)

4. Kunibert Becker (21 out of 22 patents)

5. Oswald Breuer (18 out of 19 patents)

6. Harry Rosenberg (18 out of 18 patents)

7. Christoph Rassmann (17 out of 19 patents)

8. Helmut Temme (17 out of 17 patents)

9. Dieter Stuckmann (16 out of 16 patents)

10. Michael Dettmers (15 out of 26 patents)

11. Hans Jutte (15 out of 15 patents)

12. Alois Hauschopp (15 out of 15 patents)

13. Dieter Grundken (14 out of 14 patents)

14. Manfred Redder (13 out of 13 patents)

15. Willy Kussel (12 out of 21 patents)

Core Competencies:

Mineral Mining

Hydraulic Control Systems

Scraper-Chain Conveyors

Cutter Bit Assemblies

Roof Supports

Electro-Hydraulic Control

Chain-Tensioning Systems

Mineral Winning Machines

Pressure-Relief Valve Devices

Data Transmission Systems

Propulsion Systems

Floor Cutters

325 patents: Sort by Forward Citations

1. 5224582 - Channel sections for scraper-chain conveyors (1993-07-06),

2. 5184873 - Guides for mineral winning machines (1993-02-09),

3. 5171065 - Mineral mining installation with chain-tensioning system (1992-12-15),

4. 5167438 - Guides for mineral winning ploughs (1992-12-01),

5. 5159872 - Valve units for use in hydraulic control systems of mining equipment (1992-11-03),

6. 5157947 - Balanced hydraulic valve devices (1992-10-27),

7. 5139313 - Guides for mineral winning ploughs (1992-08-18),

8. 5137336 - Process for the automated winning of mineral, such as coal, in a (1992-08-11),

9. 5134888 - Electrical devices for measuring hydraulic pressure (1992-08-04),

10. 5117672 - Machines for straightening elongate components such as anode rods (1992-06-02),

11. 5104267 - Roof supports for a mining installation (1992-04-14),

12. 5092660 - Cutter bit assemblies and arrangements for use with mining or tunnelling (1992-03-03),

13. 5062033 - Electro-hydraulic control system for a mineral mining installation (1991-10-29),

14. 5060556 - Arrangement for emergency operation of hydraulic appliance in an (1991-10-29),

15. 5055092 - Driving systems for driving endless chains or the like in mining (1991-10-08),

Gewerkschaft Eisenhütte Westfalia, GmbH is a leading German industrial company specializing in manufacturing heavy machinery and equipment. With a history spanning over 150 years, the company has built a strong reputation for its high-quality products and innovative solutions. Eisenhütte Westfalia serves various sectors including mining, construction, and energy. They offer a wide range of machinery such as excavators, drills, cranes, and specialized equipment for underground mining operations. With a commitment to excellence, engineering expertise, and advanced technology, Eisenhütte Westfalia continues to be a trusted partner for customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

325 Patents

#1 in

#196 in Germany

#2,692 in the World

Gewerkschaft Eisenhutte Westfalia, Gmbh

Forward Citations = 2,506

197 inventors:

Walter Weirich (46 out of 46 patents)

Bernd Steinkuhl (27 out of 34 patents)

Gerhard Merten (26 out of 67 patents)

4. Kunibert Becker (21 out of 22 patents)

5. Oswald Breuer (18 out of 19 patents)

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