% Expired Patents = 66.7

EPO Patents = 6

Forward Citations = 158

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7 inventors (with patents filed for the assignee):

Thies Hoffmann (2 out of 5 patents)

Wolfgang Benesch (2 out of 7 patents)

Hermann Winkler (2 out of 8 patents)

4. Ralf Gilgen (2 out of 4 patents)

5. Hans-Ulrich Hartenstein (2 out of 2 patents)

6. Hermann Brüggendick (1 out of 5 patents)

7. Hermann Bruggendick (1 out of 1 patent)

8. Maik Blohm (4 patents)

9. Wolfgang Offermann (1 patent)

10. Heinz Bienek (3 patents)

11. Frank Dr Lypsch (0 patent)

12. Udo Sach (0 patent)

13. Herman Brüggendick (0 patent)

6 patents: Sort by Forward Citations

1. 8063246 - Method for purifying flue gases from combustion plants and then producing urea (2011-11-22),

2. 8062600 - Arrangement for separating coarse ash out of a flue gas stream (2011-11-22),

3. 7741239 - Methods of regeneration of SCR catalyst poisoned by phosphorous components in flue gas (2010-06-22),

4. 7727307 - Method for removing mercury from flue gas after combustion (2010-06-01),

5. 7723251 - Method of regeneration of SCR catalyst (2010-05-25),

6. 7531143 - Arrangement for separating coarse ash out of a flue gas stream (2009-05-12),

Company Overview

Evonik Energy Services GmbH is a subsidiary of Evonik Industries AG, providing energy and utility services to industrial customers worldwide. With a focus on optimizing energy consumption and reducing costs, Evonik Energy Services offers solutions for energy management, efficiency improvements, and sustainability initiatives. Their team of experts delivers tailored services to help clients achieve their energy and environmental goals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#56 in Essen

#5,401 in Germany

Essen, Germany

Evonik Energy Services Gmbh

Forward Citations = 158

7 inventors:

Thies Hoffmann (2 out of 5 patents)

Wolfgang Benesch (2 out of 7 patents)

Hermann Winkler (2 out of 8 patents)

4. Ralf Gilgen (2 out of 4 patents)

5. Hans-Ulrich Hartenstein (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evonik Energy Services Gmbh. Retrieved from https://idiyas.com/company/evonik-energy-services

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]

6 patents (EPO):

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]