ClassID:

216869

H02H9/06 - CPC Classification

Classification description:

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters

Recent Application in this class:
#1
20260155634
2026-06-04

SURGE ARRESTER

#2
20260081417
2026-03-19

Modular Facts Devices with External Fault Current Protection

#3
20250391790
2025-12-25

SPARK GAP STRUCTURES AND METHODS IN AN INTEGRATED CIRCUIT DEVICE

#4
20250379441
2025-12-11

SURGE PROTECTIVE DEVICES

#5
20250343398
2025-11-06

SPARK GAP ASSEMBLY FOR OVERVOLTAGE PROTECTION AND SURGE ARRESTER

#6
20250210981
2025-06-26

CIRCUIT BREAKER CIRCUITRY WITH ELECTRICAL OVERSTRESS PROTECTION

#7
20250192607
2025-06-12

MONITORING SYSTEM AND METHOD FOR MONITORING A VOLTAGE NETWORK

#8
20250087990
2025-03-13

TRANSFORMER PROTECTION SYSTEM USING DIRECT CURRENT SWITCH CIRCUIT

#9
20250030237
2025-01-23

SPARK GAPS WITH MULTIPLE TRIGGER VOLTAGES FOR ELECTRICAL OVERSTRESS DETECTION AND PROTECTION

#10
20240429706
2024-12-26

OVERVOLTAGE PROTECTION DEVICE AND USE OF AN OVERVOLTAGE PROTECTION DEVICE

#11
20240345136
2024-10-17

METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED POWER DISTRIBUTION UNIT

#12
20240305067
2024-09-12

SPARK GAP ASSEMBLY FOR OVERVOLTAGE PROTECTION AND SURGE ARRESTER

#13
20240195167
2024-06-13

Modular Facts Devices with External Fault Current Protection

#14
20240106204
2024-03-28

Arc mitigation apparatus and systems for panelboard applications

#15
20240088652
2024-03-14

SURGE PROTECTIVE DEVICES

#16
20240064892
2024-02-22

SPACING-ASSURED ELECTRIC FIELD SHIELD FOR GAS DISCHARGE TUBE OF MOTOR CONTROL

#17
20230402838
2023-12-14

Detecting and reporting the status of an overvoltage protection device

#18
20230318288
2023-10-05

SURGE PROTECTIVE DEVICE

#19
20230223749
2023-07-13

Methods and systems for remote monitoring of surge protective devices

#20
20230178978
2023-06-08

SURGE PROTECTION DEVICES WITH SURGE LEVEL DISCRIMINATION AND METHODS OF OPERATING THE SAME

#21
20230171879
2023-06-01

Spacing-assured electric field shield for gas discharge tube of motor control

#22
20230089717
2023-03-23

Overvoltage protection for HV bushing test tap

#23
20230056704
2023-02-23

Power conversion system

#24
20220276282
2022-09-01

Methods and apparatus for resistive voltage sensing in an isolated power distribution unit

#25
20220247170
2022-08-04

Protection of a surge arrester with a better protection against failure from thermal overload in case of a temporary overvoltage in an electrical grid line

#26
20220224110
2022-07-14

Asymmetric overvoltage protection apparatus, DC circuit arrangement and DC network

#27
20220200245
2022-06-23

Spark gap assembly for overvoltage protection and surge arrester

#28
20220158440
2022-05-19

Modular facts devices with external fault current protection

#29
20220123549
2022-04-21

Electrical surge protection circuits

#30
20220123548
2022-04-21

Surge protection devices with surge level discrimination and methods of operating the same

#31
20220085579
2022-03-17

Spark gap arrangement with ignition apparatus for protecting a high-voltage device and ignition apparatus therefor

#32
20220045484
2022-02-10

Arc mitigation devices

#33
20210344192
2021-11-04

SURGE PROTECTION DEVICE AND SYSTEM

#34
20210296863
2021-09-23

Gas arrester

#35
20210241980
2021-08-05

Grid influencing system

#36
20210144843
2021-05-13

Spacing-assured electric field shield for gas discharge tube of motor control

#37
20210066906
2021-03-04

Switchgear arrestor system with isolators

#38
20210033100
2021-02-04

Blower filter device for potentially explosive areas and process for operating a blower filter device

#39
20200403402
2020-12-24

Overvoltage protective device for lightning protection

#40
20200389015
2020-12-10

Electrical energy saving system

#41
20200373741
2020-11-26

Arc mitigation devices and systems for panelboard applications

#42
20200366088
2020-11-19

Crowbar device and multistage crowbar apparatus

#43
20200328578
2020-10-15

SURGE PROTECTIVE DEVICE

#44
20200292583
2020-09-17

METHODS AND APPARATUS FOR RESISTIVE VOLTAGE SENSING IN AN ISOLATED POWER DISTRIBUTION UNIT

#45
20200244062
2020-07-30

Modular FACTS devices with external fault current protection

#46
20200161855
2020-05-21

Arrester with pressurizing chambers

#47
20200119528
2020-04-16

Externally gapped line arrester

#48
20200059089
2020-02-20

Disconnection and switch-over device for overvoltage protection, particularly for DC systems

#49
20200044442
2020-02-06

Surge protection device

#50
20200044419
2020-02-06

Arrangement of stack spark gaps and device for holding together and electrically contacting stack spark gaps

#51
20200036185
2020-01-30

Surge protective devices, circuits, modules and systems including same

#52
20200028359
2020-01-23

AC switching arrangement

#53
20200028358
2020-01-23

Electronic device

#54
20200017195
2020-01-16

Propeller blade angle feedback arrangement and method

#55
20190265665
2019-08-29

Lightning or other surge detection for wireless transmitters and other devices

#56
20190244732
2019-08-08

Component for Protecting Against Overvoltages and the Use Thereof with Two Varistors and an Arrestor in a Single Component

#57
20190214816
2019-07-11

Arrangement for Diverting Voltage Surges

#58
20190207387
2019-07-04

Overvoltage protection device with monitoring and communication functions

#59
20190199067
2019-06-27

Gas arrester

#60
20190164953
2019-05-30

Circuit overvoltage protection

#61
20190157862
2019-05-23

FILTER CIRCUIT

#62
20190148936
2019-05-16

CIRCUIT FOR PREVENTING SURGE AND ELECTRONIC APPARATUS HAVING THE SAME

#63
20190148935
2019-05-16

Surge protective circuit and surge protective device

#64
20190140443
2019-05-09

Arrangement for overload protection for overvoltage protection equipment

#65
20190089133
2019-03-21

Arrester and method for manufacturing an arrester

#66
20190074688
2019-03-07

Head-worn device having electrostatic discharge protection

#67
20190006835
2019-01-03

Modular FACTS devices with external fault current protection

#68
20180366947
2018-12-20

Spark gap arrangement

#69
20180346145
2018-12-06

Jet stream lightning protection apparatus, system, and method the same

#70
20180278026
2018-09-27

Surge protection component and method for producing a surge protection component

#71
20180205221
2018-07-19

CIRCUIT ASSEMBLY FOR ELECTRONICALLY ACTUATING TRIGGERABLE SURGE ARRESTERS

#72
20180198260
2018-07-12

Multiple spark-gap arrester

#73
20180183235
2018-06-28

Overvoltage protection for power systems

#74
20180175616
2018-06-21

Overvoltage protection circuit

#75
20180138698
2018-05-17

Modular overvoltage protection units

#76
20180102640
2018-04-12

Integrated thermally protected varistor and discharge tube

#77
20180090246
2018-03-29

Tensioning device for a surge arrester, production method and surge arrester

#78
20180076617
2018-03-15

Protection of a surge arrester with a better protection against failure from thermal overload in case of a temporary overvoltage in an electrical grid line

#79
20180048145
2018-02-15

TRANSIENT VOLTAGE PROTECTION CIRCUITS

#80
20170324221
2017-11-09

Arrester

#81
20170279269
2017-09-28

Overvoltage protection apparatus with monitoring function

#82
20170222433
2017-08-03

Overvoltage protection for power systems

#83
20170187169
2017-06-29

Surge arrester

#84
20170117700
2017-04-27

Surge protective device and surge protective system

#85
20170005467
2017-01-05

Surge protection device and telecommunication equipment comprising the same

#86
20160362074
2016-12-15

Wire harness

#87
20160329686
2016-11-10

Triggering circuit of overvoltage protection with an asymmetric element

#88
20160204603
2016-07-14

Spark gap arrangement

#89
20160204600
2016-07-14

Overvoltage protection apparatus and luminaire having such an overvoltage protection apparatus

#90
20160204599
2016-07-14

Arrangement for overload protection for overvoltage protection equipment

#91
20160197468
2016-07-07

Surge protective devices

#92
20160190771
2016-06-30

Surge arrester

#93
20160141858
2016-05-19

Method for producing a multiplicity of surge arresters in an assembly, surge arrester and surge arrester assembly

#94
20160028227
2016-01-28

ESD protection device

#95
20160013631
2016-01-14

Overvoltage protection device with short-circuit function for protecting installations and persons

#96
20160006218
2016-01-07

Lightning protection apparatus

#97
20150349523
2015-12-03

Modular overvoltage protection units

#98
20150288176
2015-10-08

Ignition circuit

#99
20150280428
2015-10-01

Gas tube impulse protection

#100
20150263489
2015-09-17

ESD protection device

#101
20150207308
2015-07-23

Encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap

#102
20150130362
2015-05-14

Spark gap arrangement

#103
20150077894
2015-03-19

Surge arrester

#104
20150062763
2015-03-05

DISCHARGE GAP FILLING COMPOSITION AND ELECTROSTATIC DISCHARGE PROTECTOR

#105
20150036255
2015-02-05

Device for discharging an electrical overvoltage

#106
20150029632
2015-01-29

Auto-triggered methods and systems for protecting against direct and indirect electronic attack

#107
20150002966
2015-01-01

Electric field gap device and manufacturing method

#108
20140355164
2014-12-04

Three-pole lightning arrestor integrated into a residential gateway with lightning impact detector

#109
20140334054
2014-11-13

Overvoltage protection for power systems

#110
20140334043
2014-11-13

Surge protection circuit, switching power supply, and surge protection method

#111
20140321018
2014-10-30

Excess voltage protection apparatus and diagnostic method for multi-stage excess voltage protection apparatuses

#112
20140307350
2014-10-16

Triggered arc flash arrester and shield element for use therewith

#113
20140247522
2014-09-04

Scalable power supply circuit including protection features

#114
20140175995
2014-06-26

Method and arrangement for triggering a series spark gap

#115
20140168833
2014-06-19

Surge protection device

#116
20140168832
2014-06-19

X-ray tube

#117
20140133057
2014-05-15

Surge protection device

#118
20140085764
2014-03-27

Series R-C graded gap assembly for MOV arrester

#119
20140071384
2014-03-13

ELECTROSTATIC DISCHARGE ARRANGEMENT FOR AN ACTIVE MATRIX DISPLAY

#120
20140022687
2014-01-23

Antistatic device

#121
20130342949
2013-12-26

Lightning protection radio remote unit, distributed base station, lightning protection system and method

#122
20130329325
2013-12-12

Method and systems for discharging energy from an electrical fault

#123
20130321970
2013-12-05

Surge protector

#124
20130321964
2013-12-05

Surge protector

#125
20130301171
2013-11-14

User-actuated button ESD protection circuit with spark gap

#126
20130265678
2013-10-10

Electronic apparatus

#127
20130242443
2013-09-19

DC power surge protector

#128
20130135777
2013-05-30

Surge protection circuit

#129
20130135776
2013-05-30

Current transformer arrangement

#130
20130090010
2013-04-11

Surge protector components having a plurality of spark gap members between a central conductor and an outer housing

#131
20130063845
2013-03-14

Overvoltage protection equipment

#132
20120320488
2012-12-20

Surge arrester and gas-insulated electric apparatus

#133
20120086425
2012-04-12

Methods and apparatus for resistive voltage sensing in an isolated power distribution unit

#134
20120044599
2012-02-23

Surge suppression circuit for a load control device

#135
20120006583
2012-01-12

DISCHARGE GAP FILLING COMPOSITION AND ELECTROSTATIC DISCHARGE PROTECTOR

#136
20110058286
2011-03-10

Electrical apparatus with higher durability against surges

#137
20110026179
2011-02-03

Protection Device

#138
20100296219
2010-11-25

Spark gap protection device

#139
20100296214
2010-11-25

Protective circuit for the input-side protection of an electronic device operating in the maximum frequency range

#140
20100290169
2010-11-18

Active lightning protection

#141
20090296297
2009-12-03

Overvoltage protection device

#142
20090154044
2009-06-18

Device for protection against voltage surges with parallel simultaneously triggered spark-gaps

#143
20090154034
2009-06-18

Motor drive with low leakage surge protection

#144
20090085758
2009-04-02

Overvoltage protector circuit and a detector circuit for supervising such a protector circuit

#145
20090021881
2009-01-22

OVERVOLTAGE PROTECTION DEVICE WITH IMPROVED LEAKAGE-CURRENT-INTERRUPTING CAPACITY

#146
20080310072
2008-12-18

Spark gap protection device

#147
20080278877
2008-11-13

Overvoltage protective device and method of overvoltage protection

#148
20080239598
2008-10-02

Arc flash elimination apparatus and method

#149
20080239592
2008-10-02

Arc flash elimination system, apparatus, and method

#150
20080198527
2008-08-21

Surge protection device and surge protection apparatus using thereof

#151
20080123239
2008-05-29

TRANSIENT VOLTAGE SURGE SUPPRESSOR

#152
20080122573
2008-05-29

APPARATUS AND METHOD FOR CLAMPING A VOLTAGE ON A LINE

#153
20080062606
2008-03-13

Surge protection device for coaxial cable with diagnostic capabilities

#154
20070285858
2007-12-13

Spark gap comprising an optically triggered power semiconductor component

#155
20070223171
2007-09-27

Protector Device with Improved Capacity to Break Follow Current

#156
20070165351
2007-07-19

Optically ignited spark gap

#157
20070159760
2007-07-12

Methods and Systems Related to Pulsed Power

#158
20070115601
2007-05-24

Lightning protector for an electrical appliance

#159
20070047167
2007-03-01

Outdoor lightning protection power supply system

#160
20070002511
2007-01-04

Meter-base surge protector

#161
20060250733
2006-11-09

Electrical surge protection using in-package gas discharge system

#162
20050259376
2005-11-24

Circuit for diverting surges and transient impulses

#163
20050243496
2005-11-03

Protection devices and methods for preventing the flow of undesirable differential mode transients

#164
20050237684
2005-10-27

Circuit arrangement that includes a device to protect against electrostatic discharge

#165
20050162801
2005-07-28

Overvoltage protecting circuit in a steady state

#166
20050152085
2005-07-14

Low cost surge protection

#167
20050099755
2005-05-12

Broadband surge protector with non-resetting current limiter

#168
20050068709
2005-03-31

System for overvoltage protection

#169
20050063118
2005-03-24

Multipole overvoltage protection system and method for the reliable operation of a multipole overvoltage protection system

#170
18274776
2026-03-17

Protection circuit for use in a lighting circuit

#171
17592357
2023-11-21

Clamping circuit for protecting FACTs

#172
15390464
2017-08-01

Outdoor external lightning arrestor

#173
14087044
2014-07-22

Methods and devices for protecting CATV circuits from combination and ring waves