Forward Citations = 52

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13 inventors (with patents filed for the assignee):

Thomas D Bloomfield (1 out of 2 patents)

Hans-Ulrich Dummersdorf (1 out of 10 patents)

Wilhelm Meyer (1 out of 1 patent)

4. Willi Keul (1 out of 1 patent)

5. Manfred Kreft (1 out of 4 patents)

6. Herbert Duddek (1 out of 1 patent)

7. Wilfried Klemmer (1 out of 1 patent)

8. Herbert Koeppen (1 out of 1 patent)

9. Hans-Joachim Klutz (1 out of 1 patent)

10. Manfred Erken (1 out of 1 patent)

11. Helmut Kreusing (1 out of 1 patent)

12. Gunther Herbst (1 out of 1 patent)

13. Franz-Josef Menge (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6352108 - Well pipe (2002-03-05),

2. 5645614 - Process for the utilization of sewage sludges (1997-07-08),

3. 5483752 - Device for heating or cooling bulk materials, particularly for lignite (1996-01-16),

4. 5144317 - Method of determining mining progress in open cast mining by means of (1992-09-01),

Company Overview

Rheinbraun Aktiengesellschaft is a German company specializing in the production and distribution of lignite, coal, energy, and chemical products. With a history dating back to the 19th century, Rheinbraun has established itself as a leading player in the energy sector, providing innovative solutions for a sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#82 in Cologne

#7,035 in Germany

Cologne, Germany

Rheinbraun Aktiengesellschaft

Forward Citations = 52

13 inventors:

Thomas D Bloomfield (1 out of 2 patents)

Hans-Ulrich Dummersdorf (1 out of 10 patents)

Wilhelm Meyer (1 out of 1 patent)

4. Willi Keul (1 out of 1 patent)

5. Manfred Kreft (1 out of 4 patents)

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