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Oberhausen, Germany

Man Gutehoffnungshutte

USPTO Granted Patents = 37

Forward Citations = 270

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33 inventors (with patents filed for the assignee):

Wilfried Blotenberg (7 out of 26 patents)

Frohmut Vollhardt (4 out of 21 patents)

Hartmut Grathoff (4 out of 12 patents)

4. Joachim Kotzur (3 out of 16 patents)

5. Heinz Guido (3 out of 6 patents)

6. Gunter Wolters (2 out of 4 patents)

7. Lubomyr Turanskyj (2 out of 3 patents)

8. Jan Ghering (2 out of 2 patents)

9. Peter Buthmann (2 out of 2 patents)

10. Heinz Haacker (2 out of 4 patents)

11. Helmut Wensing (2 out of 2 patents)

12. Manfred Schubert (1 out of 12 patents)

13. Georg Weissbacher (1 out of 2 patents)

14. Manfred Forster (1 out of 8 patents)

15. Klaus Knop (1 out of 11 patents)

Core Competencies:

Turbocompressor

Internal Combustion Engine

Waste Treatment

Cooling Systems

Conveyors

Incinerator

Aircraft Tug

Rotary Tube Cooler

Carbon Filter

Metallurgical Treatment

Rail Vehicle

Charging Unit

37 patents: Sort by Forward Citations

1. 5538216 - Support device of a laying vehicle, especially of a track-laying vehicle (1996-07-23),

2. 5501563 - Bulk material loading and unloading facility for sea-going ships (1996-03-26),

3. 5480274 - Aircraft tug without tow bar (1996-01-02),

4. 5305868 - Cover belt conveyor (1994-04-26),

5. 5263690 - Apparatus for metallurgical treatment of molten steel (1993-11-23),

6. 5198004 - Activated carbon filter for removing toxic substances, e.g., dioxins and (1993-03-30),

7. 5013201 - Traveling conveyor arrangement (1991-05-07),

8. 4976611 - Method and apparatus for the thermal treatment of waste materials (1990-12-11),

9. 4969803 - Compressor unit (1990-11-13),

10. 4968215 - Device for control of a turbocompressor (1990-11-06),

11. 4962557 - Device for opening inner and outer pontoons of a W-shaped, unfoldable (1990-10-16),

12. 4944652 - Process and device for the control of turbo compressors (1990-07-31),

13. 4936740 - Method of protecting a turbocompressor from surging by blowing off (1990-06-26),

14. 4932211 - Internal combustion engine charging unit (1990-06-12),

15. 4926642 - Internal combustion engine charging unit (1990-05-22),

Company Overview

Man Gutehoffnungshütte, based in Oberhausen, Germany, is a prominent player in the engineering and manufacturing sectors, specializing in the production of high-quality steel and metal components. The company is known for its expertise in various domains, including automotive engineering, mechanical engineering, and industrial plant construction. With a strong focus on innovation and technology, it develops advanced solutions that cater to diverse industries, contributing significantly to the regional and global markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

37 Patents

#6 in

#1,370 in Germany

#18,281 in the World

Oberhausen, Germany

Man Gutehoffnungshutte

Forward Citations = 270

33 inventors:

Wilfried Blotenberg (7 out of 26 patents)

Frohmut Vollhardt (4 out of 21 patents)

Hartmut Grathoff (4 out of 12 patents)

4. Joachim Kotzur (3 out of 16 patents)

5. Heinz Guido (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Man Gutehoffnungshutte. Retrieved from https://idiyas.com/company/man-gutehoffnungshutte

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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