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Gutehoffnungshutte Sterkrade Aktiengesellschaft

USPTO Granted Patents = 30

Forward Citations = 262

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45 inventors (with patents filed for the assignee):

Roland Gunther (4 out of 7 patents)

Karl Bammert (3 out of 4 patents)

Karl-Heinz Schwarting (3 out of 4 patents)

4. Winfried Laubach (2 out of 5 patents)

5. Heinrich Goris (2 out of 6 patents)

6. Hartmut Griepentrog (2 out of 3 patents)

7. Manfred Heinen (2 out of 2 patents)

8. Rolf Thomas (2 out of 2 patents)

9. Kurt Ogorek (2 out of 5 patents)

10. Wilfried Blotenberg (2 out of 5 patents)

11. Axel Kubbutat (1 out of 3 patents)

12. Bruno Kammerling (1 out of 8 patents)

13. Peter Meinke (1 out of 11 patents)

14. Hellmut Weinrich (1 out of 1 patent)

15. Siegfried Krolmann (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 4384818 - Method and apparatus for limiting the end thrust of turbo compressors by (1983-05-24),

2. 4341506 - Apparatus for the generation of compressed air (1982-07-27),

3. 4298310 - Process and apparatus for prevention of surging in turbocompressors (1981-11-03),

4. 4297083 - Positive control system for piston compressor valves (1981-10-27),

5. 4266888 - Spherical joint for connecting a concrete tower supporting a water (1981-05-12),

6. 4256345 - Scraper chain conveyor with rack for the chainless feed of winning (1981-03-17),

7. 4249723 - Cooling device for smelting plants (1981-02-10),

8. 4241762 - Composite underground fluid conduit of concrete and steel sections (1980-12-30),

9. 4239444 - Power shovel (1980-12-16),

10. 4239290 - Hydromechanical planer with cutting and breaking heads (1980-12-16),

11. 4236630 - Extensible telescopic coal bunker for subsurface mining (1980-12-02),

12. 4227609 - Bucket conveyor (1980-10-14),

13. 4217954 - Cooling plate for a furnace in a metallurgical plant (1980-08-19),

14. 4212599 - Method and device for regulating the output quantity of compressed (1980-07-15),

15. 4200400 - Mixing car for transporting molten metals (1980-04-29),

Founded in 1808, Gutehoffnungshutte Sterkrade Aktiengesellschaft is a renowned German company specializing in steel and industrial engineering. With a rich history and extensive experience, the company offers a wide range of high-quality steel products and solutions for various industries worldwide. Gutehoffnungshutte Sterkrade is committed to innovation, sustainability, and providing excellent customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

30 Patents

#38 in

#1,625 in Germany

#21,181 in the World

Gutehoffnungshutte Sterkrade Aktiengesellschaft

Forward Citations = 262

45 inventors:

Roland Gunther (4 out of 7 patents)

Karl Bammert (3 out of 4 patents)

Karl-Heinz Schwarting (3 out of 4 patents)

4. Winfried Laubach (2 out of 5 patents)

5. Heinrich Goris (2 out of 6 patents)

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