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Herdecke, Germany

Ewald Doerken Ag

USPTO Granted Patents = 9

CIPO Patents = 23

Trademarks = 2

Forward Citations = 28

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20 inventors (with patents filed for the assignee):

Marcus Jablonka (3 out of 6 patents)

Jörn Schröer (2 out of 12 patents)

Verena Grossmann (1 out of 4 patents)

4. Marcel Roth (1 out of 22 patents)

5. Christopher Koester (1 out of 1 patent)

6. Ingo Klueppel (1 out of 1 patent)

7. Gerhard Reussmann (1 out of 1 patent)

8. Joern Schroeer (1 out of 4 patents)

9. Michael Dornbusch (1 out of 1 patent)

10. Hans Detlev Hinz (1 out of 1 patent)

11. Rüdiger Laur (1 out of 2 patents)

12. Jochen Lipps (1 out of 2 patents)

13. Georg Meyer (1 out of 2 patents)

14. Bernd Meinecke (1 out of 1 patent)

15. Norbert Klingelhage (1 out of 2 patents)

9 patents: Sort by Forward Citations

1. 10011907 - Method for the manufacture of a substrate provided with a chromium VI-free and cobalt-free passivation (2018-07-03),

2. 9816264 - Adherent water vapour permeable air and moisture barrier sheet material (2017-11-14),

3. 9238328 - Method for producing an adhesive connection (2016-01-19),

4. 8733054 - Method for producing a functional layer of a building shell, and building shell and functional layer (2014-05-27),

5. 8647096 - Production of a creped material for connections and transitions on buildings (2014-02-11),

6. 8281533 - Attachment element for studded plastic sheets (2012-10-09),

7. 8263184 - Process for the production of an underlay for roofs (2012-09-11),

8. D646492 - Flexible sheet metal (2011-10-11),

9. D633375 - T-fastener (2011-03-01),

Ewald Doerken AG is a leading manufacturer of high-quality construction and industrial coatings. With over 100 years of experience, the company offers innovative solutions for protecting and enhancing surfaces. Their products are used in a wide range of applications, from automotive and aerospace to architecture and infrastructure. Ewald Doerken AG is committed to sustainability and environmental responsibility, ensuring their coatings are both effective and eco-friendly.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#2 in Herdecke

#4,028 in Germany

Herdecke, Germany

Ewald Doerken Ag

Forward Citations = 28

20 inventors:

Marcus Jablonka (3 out of 6 patents)

Jörn Schröer (2 out of 12 patents)

Verena Grossmann (1 out of 4 patents)

4. Marcel Roth (1 out of 22 patents)

5. Christopher Koester (1 out of 1 patent)

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