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Richard Daum
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Neumarkt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Device for protecting electrical networks from overvoltages or over...
Patent number
11,876,334
Issue date
Jan 16, 2024
DEHN SE
Richard Daum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Overvoltage protection apparatus and modular overvoltage protection...
Patent number
11,735,890
Issue date
Aug 22, 2023
DEHN SE
Uwe Strangfeld
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Overvoltage protection device having a thermal disconnection apparatus
Patent number
9,640,352
Issue date
May 2, 2017
DEHN + SÖHNE GmbH + Co. KG
Richard Daum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surge arrester having an optical fault indicator
Patent number
8,705,221
Issue date
Apr 22, 2014
DEHN + SÖHNE GmbH + Co. KG
Richard Daum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surge protector having a thermal separating device
Patent number
8,526,159
Issue date
Sep 3, 2013
DEHN + SÖHNE GmbH + Co. KG
Sascha Ludewig
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Overvoltage protection device having one or more parallel-connected...
Patent number
8,493,170
Issue date
Jul 23, 2013
DEHN + SÖHNE GmbH + Co. KG
Edmund Zäuner
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ASSEMBLY FOR POTENTIAL EQUALIZATION IN POTENTIALLY EXPLOSIVE AREAS
Publication number
20240421579
Publication date
Dec 19, 2024
DEHN SE
Thomas Böhm
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
OVERVOLTAGE PROTECTION SPARK GAP ASSEMBLY AND METHOD FOR OPERATING...
Publication number
20240305087
Publication date
Sep 12, 2024
DEHN SE
Bernhard Krauss
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PLUGGABLE DEVICE COMBINATION FOR PROTECTING AGAINST SURGES
Publication number
20220294157
Publication date
Sep 15, 2022
DEHN SE
Uwe Strangfeld
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVERVOLTAGE PROTECTION APPARATUS AND MODULAR OVERVOLTAGE PROTECTION...
Publication number
20220209509
Publication date
Jun 30, 2022
DEHN SE + CO KG
Uwe Strangfeld
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DEVICE FOR PROTECTING ELECTRICAL NETWORKS FROM OVERVOLTAGES OR OVER...
Publication number
20210280995
Publication date
Sep 9, 2021
DEHN SE + CO KG
Richard Daum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVERVOLTAGE PROTECTION DEVICE HAVING A THERMAL DISCONNECTION APPARATUS
Publication number
20160035523
Publication date
Feb 4, 2016
Richard DAUM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SURGE ARRESTER HAVING AN OPTICAL FAULT INDICATOR
Publication number
20120014028
Publication date
Jan 19, 2012
DEHN + SOHNE GmbH + Co. KG
Richard Daum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SURGE PROTECTOR HAVING A THERMAL SEPARATING DEVICE
Publication number
20110222199
Publication date
Sep 15, 2011
Sascha Ludewig
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVERVOLTAGE PROCTECTION DEVICE HAVING ONE OR MORE PARALLEL-CONNECTE...
Publication number
20110193674
Publication date
Aug 11, 2011
DEHN + SOHNE GmbH + Co. KG
Edmund Zäuner
H01 - BASIC ELECTRIC ELEMENTS