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Oberhausen, Germany

Man Gutehoffnungshutte Aktiengesellschaft

USPTO Granted Patents = 70

CIPO Patents = 1

Forward Citations = 474

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96 inventors (with patents filed for the assignee):

Wilfried Blotenberg (8 out of 26 patents)

Hartmut Grathoff (5 out of 12 patents)

Jurgen R Heering (5 out of 7 patents)

4. Klaus Kohnen (4 out of 17 patents)

5. Rainer Schmidt (4 out of 5 patents)

6. Walter Kinzel (4 out of 5 patents)

7. Emil Aschenbruck (3 out of 23 patents)

8. Joachim Kotzur (3 out of 16 patents)

9. Frohmut Vollhardt (3 out of 21 patents)

10. Bruno Kammerling (3 out of 8 patents)

11. Wilhelm Franken (3 out of 4 patents)

12. Dieter Pohe (3 out of 3 patents)

13. Klaus D Mohr (3 out of 3 patents)

14. Kurt Bauermeister (3 out of 3 patents)

15. Hans-Jurgen Karcher (3 out of 3 patents)

Core Competencies:

Heat Exchanger

Gasifier

Thermal Insulation

Tube Repair

Turbocompressor

Heat Exchanger Unit

Flue Gas

Cooling Plate

Pneumatic

Arc Furnace

Metal Transport

Compressor Regulation

70 patents: Sort by Forward Citations

1. 6051195 - Synthesis gas heat exchanger unit (2000-04-18),

2. 5873329 - Refractory lining in the transition of a gasifier to the waste heat (1999-02-23),

3. 5826335 - Process for repairing heat exchanger tubes in tube apparatus (1998-10-27),

4. 5810075 - Heat-insulating lining on heat exchanger surfaces (1998-09-22),

5. 5808395 - Torque motor (1998-09-15),

6. 5806299 - Process and apparatus for quickly switching over from premix combustion (1998-09-15),

7. 5802098 - Melting vessel with fastening, mounting and tilting devices (1998-09-01),

8. 5794688 - Heat insulation and corrosion protection of the inner vessel wall of a (1998-08-18),

9. 5765991 - Process and device for operating dynamic-type compressors with (1998-06-16),

10. 5762468 - Process for protecting a turbocompressor from operation in the unstable (1998-06-09),

11. 5732430 - Device for assembling and laying track support and launching support (1998-03-31),

12. 5695327 - Sealing, mounting and drive of the rotors of a dry-running screw (1997-12-09),

13. 5678806 - Plate coolers for shaft furnaces (1997-10-21),

14. 5673901 - Device for transporting molten metal in the pouring bay of a shaft (1997-10-07),

15. 5650119 - Cooling plate for a blast furnance (1997-07-22),

Company Overview

Man Gutehoffnungshutte Aktiengesellschaft, based in Oberhausen, Germany, specializes in advanced heat exchanger technology. The company focuses on the development and manufacturing of innovative solutions in areas such as gasification, thermal insulation, and tube repair. Their expertise extends to turbocompressors and heat exchanger units, addressing critical applications in flue gas management and cooling systems. With a commitment to engineering excellence, they serve various industries, contributing to enhanced energy efficiency and sustainable practices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

70 Patents

#2 in

#817 in Germany

#10,649 in the World

Oberhausen, Germany

Man Gutehoffnungshutte Aktiengesellschaft

Forward Citations = 474

96 inventors:

Wilfried Blotenberg (8 out of 26 patents)

Hartmut Grathoff (5 out of 12 patents)

Jurgen R Heering (5 out of 7 patents)

4. Klaus Kohnen (4 out of 17 patents)

5. Rainer Schmidt (4 out of 5 patents)

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