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Steag Aktiengesellschaft

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USPTO Granted Patents = 47

Forward Citations = 364

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63 inventors (with patents filed for the assignee):

Fritz Adrian (8 out of 11 patents)

Hermann Bruggendick (7 out of 9 patents)

Klaus Goldschmidt (3 out of 4 patents)

4. Helmut Meyer-Kahrweg (3 out of 3 patents)

5. Klaus Heyn (3 out of 4 patents)

6. Hermann Winkler (2 out of 8 patents)

7. Ralf Gilgen (2 out of 4 patents)

8. Marion Neumann (2 out of 2 patents)

9. Karl Klinginger (2 out of 2 patents)

10. Ulrich Kleeberg (2 out of 6 patents)

11. Jurgen Knospe (2 out of 2 patents)

12. Jurgen Leimkuhler (2 out of 5 patents)

13. Manfred Stohr (2 out of 2 patents)

14. Arthur Lenk (2 out of 2 patents)

15. Franz Thelen (2 out of 4 patents)

Core Competencies:

Flue Gas Cleaning

Energy Recovery

Coal-Fired Power Plant

Nitrogen Oxides Removal

Adsorption Medium Reactor

Fluidized Bed Furnace

Heat Exchanger

Waste Gas Separation

Pneumatic Conveyor

Ceramic Components Processing

Combustion Unit Operation

Coal Gasification

47 patents: Sort by Forward Citations

1. 6299695 - Method and apparatus for processing ceramic components (2001-10-09),

2. 6145582 - Heat accumulator block for regenerated heat exchanger (2000-11-14),

3. 6090355 - Method and device for cleaning flue gases from furnaces (2000-07-18),

4. 6067914 - Method of operating a combustion unit of a coal-fired power plant with a (2000-05-30),

5. 5824139 - Adsorber for purifying combustion gases (1998-10-20),

6. 5811066 - Method and device for scrubbing flue gases (1998-09-22),

7. 5810206 - Device for measured removal of flowable material (1998-09-22),

8. 5611935 - Method and device for treating sludge (1997-03-18),

9. 5517930 - Method for operating a coal-fired power plant (1996-05-21),

10. 5405812 - Method and arrangement for purifying a carbon-containing adsorption (1995-04-11),

11. 5356462 - Adsorption medium reactor, espectially fluidized bed reactor (1994-10-18),

12. 5344631 - Process for the separation of undesirable constituents from a waste gas (1994-09-06),

13. 5330726 - Device for the separation of undesired exhaust gas components (1994-07-19),

14. 5289954 - Device for metered removal of flowable solid material (1994-03-01),

15. 4789531 - Method of removing nitrogen oxides (NO.sub.x) from gases, especially (1988-12-06),

Company Overview

Steag Aktiengesellschaft, headquartered in Essen, Germany, specializes in advanced technologies for energy and environmental solutions. The company focuses on the development and manufacturing of ceramic components, heat exchangers, and flue gas cleaning systems. Their expertise extends to combustion units, adsorption medium reactors, and nitrogen oxides removal technologies. Steag is committed to enhancing energy recovery processes, contributing to sustainable practices in the energy sector while addressing environmental challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

47 Patents

#17 in

#1,126 in Germany

#14,840 in the World

Steag Aktiengesellschaft

Forward Citations = 364

63 inventors:

Fritz Adrian (8 out of 11 patents)

Hermann Bruggendick (7 out of 9 patents)

Klaus Goldschmidt (3 out of 4 patents)

4. Helmut Meyer-Kahrweg (3 out of 3 patents)

5. Klaus Heyn (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Steag Aktiengesellschaft. Retrieved from https://idiyas.com/company/steag-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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