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Neumarkt/Opf, Germany

Dehn + Söhne Gmbh + Co Kg

USPTO Granted Patents = 36

EPO Patents = 89

Trademarks = 4

Forward Citations = 142

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42 inventors (with patents filed for the assignee):

Arnd Ehrhardt (10 out of 19 patents)

Georg Wittmann (9 out of 17 patents)

Stefanie Schreiter (9 out of 9 patents)

4. Edmund Zäuner (7 out of 13 patents)

5. Stephan Hierl (7 out of 12 patents)

6. Peter Zahlmann (5 out of 16 patents)

7. Uwe Strangfeld (5 out of 10 patents)

8. Bernhard Krauss (5 out of 9 patents)

9. Michael Waffler (5 out of 8 patents)

10. Helmut Hirschmann (4 out of 7 patents)

11. Jens Ehrler (4 out of 6 patents)

12. Richard Daum (4 out of 8 patents)

13. Peter Hasse (4 out of 7 patents)

14. Johannes Wiesinger (4 out of 5 patents)

15. Sascha Ludewig (3 out of 5 patents)

36 patents: Sort by Forward Citations

1. 10529523 - Short-circuiting device for use in low-voltage and medium-voltage systems for protecting parts and personnel (2020-01-07),

2. 10511165 - Circuit assembly for protecting a unit to be operated from a supply network against overvoltage (2019-12-17),

3. 10256062 - Device for thermally tripping or disconnecting an overvoltage protection device (2019-04-09),

4. 10049795 - Surge protection device, comprising at least one surge arrester and one thermally trippable switching device connected in series with the surge arrester (2018-08-14),

5. 10014098 - Surge protection device, comprising at least one surge arrester and one short-circuit switching device which is connected in parallel with the surge arrester, can be thermally tripped and is spring-pretensioned (2018-07-03),

6. 9941691 - Arrangement for overload protection for overvoltage protection equipment (2018-04-10),

7. 9885738 - Circuit assembly for the state monitoring and logging of overvoltage protection devices or overvoltage protection systems (2018-02-06),

8. 9871368 - Encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap (2018-01-16),

9. 9780553 - Overvoltage protection device with short-circuit function for protecting installations and persons (2017-10-03),

10. 9780463 - Surge protection device with at least one surge protection unit (2017-10-03),

11. 9691560 - Single- or multi-pole switching device, in particular for DC applications (2017-06-27),

12. 9660437 - Arrangement for forming a thermal isolation point (2017-05-23),

13. 9640352 - Overvoltage protection device having a thermal disconnection apparatus (2017-05-02),

14. 9601986 - Method and arrangement for the surge protection of inverters for photovoltaic systems (2017-03-21),

15. 9461461 - Defect indicator for an electronic device, in particular surge arrester (2016-10-04),

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USPTO Data Jan 1 1976 - Dec 16 2025

36 Patents

#27 in 92318 Neumarkt/Opf

#1,412 in Germany

#18,168 in the World

Neumarkt/Opf, Germany

Dehn + Söhne Gmbh + Co Kg

Forward Citations = 142

42 inventors:

Arnd Ehrhardt (10 out of 19 patents)

Georg Wittmann (9 out of 17 patents)

Stefanie Schreiter (9 out of 9 patents)

4. Edmund Zäuner (7 out of 13 patents)

5. Stephan Hierl (7 out of 12 patents)

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