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For the Inventor, By the Inventor

Herdecke, Germany

Ewald Dorken Ag


USPTO Granted Patents = 39

% Expired Patents = 28.2



Trademarks = 8

Forward Citations = 186

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65 inventors (with patents filed for the assignee):

goldMedal Jörn Schröer (9 out of 12 patents)

silverMedal Marcel Roth (8 out of 22 patents)

bronzeMedal Thomas Bachon (6 out of 28 patents)

4.  Gerhard Reusmann (6 out of 15 patents)

5.  Gilles Schwaab (5 out of 5 patents)

6.  Sandra Böhm (4 out of 4 patents)

7.  Thomas Kruse (4 out of 4 patents)

8.  Ronald Flaig (3 out of 3 patents)

9.  Heinz Peter Raidt (3 out of 4 patents)

10.  Ingo Klüppel (3 out of 3 patents)

11.  Verena Grossmann (3 out of 4 patents)

12.  Birgit Strieder (2 out of 2 patents)

13.  Melanie Müller (2 out of 2 patents)

14.  Vanessa Kurze (2 out of 2 patents)

15.  Carolina Battaglia (2 out of 2 patents)


Core Competencies:
Sealing Sheet
Construction Foil
Corrosion Protection
Passivation Composition
Composite Film
Roofing Underlay
Anti-Corrosive Coating
Vapor-Permeable Laminate
Flexible Sheet Material
Reflective Layer
Sound-Absorbing Element
Tarpaulin

39 patents:

1. 12611852 - Ageing-resistant sealing sheet (2026-04-28),
2. 12312811 - Construction foil and system with at least one construction foil (2025-05-27),
3. 12024647 - Corrosion protection pigment comprising coated metal particles and its use (2024-07-02),
4. 11987887 - Method for passivating metallic substances (2024-05-21),
5. 11959179 - Corrosion control coating (2024-04-16),
6. 11866941 - Construction foil (2024-01-09),
7. 11759820 - Passivation composition comprising a silane-modified silicate compound (2023-09-19),
8. 11745480 - Composite film (2023-09-05),
9. 11619022 - Composite drainboard for blindside application, and foundation assembly (2023-04-04),
10. 11498319 - Composite film (2022-11-15),
11. 11407198 - Roofing underlay, particularly for using as roof cladding underlay and/or roof lining membrane (2022-08-09),
12. 10975582 - Uncoupling strip (2021-04-13),
13. 10792702 - Passivation composition comprising a silane-modified silicate compound (2020-10-06),
14. 10731262 - Corrosion control coating (2020-08-04),
15. 10414902 - Anti-corrosive coating compound (2019-09-17),
Company Overview
Ewald Dorken AG is a prominent player in the field of specialty coatings and surface technologies, headquartered in Herdecke, Germany. The company focuses on developing innovative solutions for various industries, including automotive, aerospace, and electronics. With a commitment to quality and sustainability, Ewald Dorken AG specializes in high-performance coatings that enhance durability and functionality, catering to the evolving needs of its global clientele. The organization emphasizes research and development to drive advancements in surface treatment technologies.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

39 Patents

#1 in Herdecke

#1,305 in Germany

#17,465 in the World

Herdecke, DE
Herdecke, Germany

Ewald Dorken Ag

Forward Citations = 186

65 inventors:

goldMedal Jörn Schröer (9 out of 12 patents)

silverMedal Marcel Roth (8 out of 22 patents)

bronzeMedal Thomas Bachon (6 out of 28 patents)

4.  Gerhard Reusmann (6 out of 15 patents)

5.  Gilles Schwaab (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ewald Dorken Ag. Retrieved from https://idiyas.com/company/ewald-dorken-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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