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Munich, Germany

Dehn Se

USPTO Granted Patents = 37

EPO Patents = 50

Trademarks = 14

Forward Citations = 16

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54 inventors (with patents filed for the assignee):

Julius Maria Schrafl (14 out of 16 patents)

Florian Gäck (14 out of 14 patents)

Michael Hess (13 out of 14 patents)

4. Arnd Ehrhardt (6 out of 20 patents)

5. Richard Daum (5 out of 9 patents)

6. Georg Wittmann (4 out of 17 patents)

7. Peter Zahlmann (4 out of 16 patents)

8. Ralph Brocke (4 out of 10 patents)

9. Sebastian Haas (4 out of 5 patents)

10. Uwe Strangfeld (4 out of 10 patents)

11. Edmund Zäuner (3 out of 13 patents)

12. Thomas Böhm (2 out of 8 patents)

13. Franz Schork (2 out of 7 patents)

14. Klaus Bühler (2 out of 6 patents)

15. Helmut Hirschmann (2 out of 7 patents)

Core Competencies:

Surge Arrester

Overvoltage Protection

Lightning Protection

Spark Gap

Electrical Networks

Surge Protection Device

Arc Flash

Electrotechnical Workflow

Modular Systems

Circuit Arrangement

Triggered Fuse

Pipeline System

37 patents: Sort by Forward Citations

1. 12726011 - Assembly for potential equalization in potentially explosive areas (2026-09-01),

2. 12667147 - Arc flash protection glove (2026-06-30),

3. 12646931 - Surge arrester for DC mains and method of operating such a surge arrester (2026-06-02),

4. 12567285 - Method for the automatic monitoring of an electrotechnical work flow, and corresponding device (2026-03-03),

5. 12470059 - Overvoltage protection device and use of an overvoltage protection device (2025-11-11),

6. 12438355 - Overvoltage protection spark gap assembly and method for operating an overvoltage protection spark gap assembly (2025-10-07),

7. 12316049 - Pluggable device combination for protecting against surges (2025-05-27),

8. 12264786 - Delimiting unit, pipeline system and method for operating a pipeline system (2025-04-01),

9. 12218490 - Lightning-protection spark gap (2025-02-04),

10. 12199423 - Asymmetric overvoltage protection apparatus, DC circuit arrangement and DC network (2025-01-14),

11. 12191600 - Plug-in module for a rail-mounted device, and rail-mounted device (2025-01-07),

12. 12184022 - Connection head piece for contacting an insulated discharge line in external lightning protection (2024-12-31),

13. 12057283 - Overvoltage protection arrangement with a horn spark gap, located in a housing, with a chamber for arc quenching (2024-08-06),

14. 12015249 - Arrangement for firing spark gaps (2024-06-18),

15. 11876334 - Device for protecting electrical networks from overvoltages or overcurrents (2024-01-16),

Company Overview

Dehn Se is a prominent company based in Munich, specializing in surge protection, lightning protection, and grounding systems. The organization focuses on developing innovative solutions to safeguard electrical and electronic systems from transient overvoltages and lightning strikes. With a strong emphasis on research and technology, Dehn Se serves various sectors, including industrial, commercial, and residential applications, ensuring safety and reliability in electrical installations across Europe and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

37 Patents

#90 in Munich

#1,371 in Germany

#18,299 in the World

Munich, Germany

Dehn Se

Forward Citations = 16

54 inventors:

Julius Maria Schrafl (14 out of 16 patents)

Florian Gäck (14 out of 14 patents)

Michael Hess (13 out of 14 patents)

4. Arnd Ehrhardt (6 out of 20 patents)

5. Richard Daum (5 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dehn Se. Retrieved from https://idiyas.com/company/dehn-se

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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