ClassID:

216862

H02H9/043 - CPC Classification

Classification description:

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage Protection of over-voltage protection device by short-circuiting

Recent Application in this class:
#1
20250246897
2025-07-31

DEVICES FOR ACTIVE OVERVOLTAGE PROTECTION INCLUDING VARISTORS AND THYRISTORS

#2
20250210979
2025-06-26

ELECTRICAL OVERSTRESS PROTECTION DEVICE AND COMMUNICATION SYSTEM

#3
20250183656
2025-06-05

OVERVOLTAGE PROTECTION DEVICE MODULES AND SHEATH BONDING SYSTEMS INCLUDING SAME

#4
20250174988
2025-05-29

SURGE PROTECTION CIRCUIT, POWER SUPPLY DEVICE USING SAME, AND LED ILLUMINATION DEVICE

#5
20250166692
2025-05-22

POWER MANAGEMENT INTEGRATED CIRCUIT AND MEMORY MODULE INCLUDNG THE SAME

#6
20250047094
2025-02-06

POWER CONTROL DEVICE

#7
20240305086
2024-09-12

DC SOLID-STATE CIRCUIT BREAKER WITH A SOLID-STATE AIDED AIRGAP THAT PROVIDES A FAIL-SAFE MECHANISM

#8
20240120728
2024-04-11

Devices for active overvoltage protection including varistors and thyristors

#9
20240106228
2024-03-28

Power control device

#10
20230396053
2023-12-07

Surge protective devices, circuits, modules and systems including same

#11
20230137190
2023-05-04

Power control device

#12
20230020744
2023-01-19

Surge protection circuit, power supply device using same, and LED illumination device

#13
20220399714
2022-12-15

Devices for active overvoltage protection including varistors and thyristors

#14
20220320855
2022-10-06

Driving circuit, array substrate and display apparatus

#15
20220294207
2022-09-15

In-vehicle protection apparatus

#16
20220094154
2022-03-24

Power control device

#17
20220037878
2022-02-03

PROVISIONAL OVERVOLTAGE PROTECTION FOR A LUMINAIRE

#18
20210367456
2021-11-25

Methods and apparatus for protecting wireless charging receivers

#19
20210237783
2021-08-05

Track circuit surge protection

#20
20210202140
2021-07-01

Feed through varistors with thermally-activated override

#21
20210167556
2021-06-03

Varistors

#22
20210126448
2021-04-29

Power control device

#23
20200373756
2020-11-26

Over-voltage protection circuit for USB Type-C connector

#24
20200321777
2020-10-08

Device and method for overvoltage protection

#25
20200287374
2020-09-10

Electronic fuse circuit, corresponding device and method

#26
20200168597
2020-05-28

RC-snubber element with high dielectric strength

#27
20200014191
2020-01-09

Devices for active overvoltage protection

#28
20190252876
2019-08-15

Selectable input transient voltage suppressor

#29
20190244951
2019-08-08

Active ESD clamp deactivation

#30
20190207387
2019-07-04

Overvoltage protection device with monitoring and communication functions

#31
20190096874
2019-03-28

ESD network comprising variable impedance discharge path

#32
20190074826
2019-03-07

Over voltage protection for cascode switching power device

#33
20190061974
2019-02-28

Transient voltage suppression protection circuit including built in testing and enable-disable functionality

#34
20180366460
2018-12-20

Electrostatic discharge devices

#35
20180351329
2018-12-06

Electrical protection component having a thermal short-circuit device

#36
20180278051
2018-09-27

Electronic apparatus and overvoltage protection structure thereof

#37
20180198260
2018-07-12

Multiple spark-gap arrester

#38
20180183230
2018-06-28

Devices for active overvoltage protection

#39
20180138697
2018-05-17

Transient overvoltage protection system

#40
20180130794
2018-05-10

ELECTRONIC CIRCUIT, INTEGRATED CIRCUIT AND MOTOR ASSEMBLY

#41
20180102640
2018-04-12

Integrated thermally protected varistor and discharge tube

#42
20180062376
2018-03-01

Electronic fuse circuit, corresponding device and method

#43
20180026439
2018-01-25

Safety protection circuit

#44
20170324221
2017-11-09

Arrester

#45
20170315575
2017-11-02

Selectable input transient voltage suppressor

#46
20170229241
2017-08-10

Protected capacitor system and method

#47
20170207621
2017-07-20

Electrical bypass apparatus

#48
20170187244
2017-06-29

Electrical energy receiving end capable of overvoltage protection and wireless electrical energy transmission device

#49
20170171954
2017-06-15

Electronic control for high voltage systems

#50
20170170652
2017-06-15

Protection circuit assembly and method for high voltage systems

#51
20170127484
2017-05-04

Overvoltage protection circuit, LED backlight driving circuit and LCD

#52
20170117703
2017-04-27

Surge arrester having protection against heating

#53
20170110226
2017-04-20

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

#54
20170070046
2017-03-09

Capacitor based lightning clamp

#55
20170019526
2017-01-19

Protection of a telephone line against overvoltages

#56
20160352093
2016-12-01

Overvoltage protection device with leakage current cut-off

#57
20160276826
2016-09-22

Overvoltage protection device

#58
20160248244
2016-08-25

Overvoltage protection device

#59
20160248241
2016-08-25

Intrinsic safety barrier

#60
20160211752
2016-07-21

Intrinsically safe voltage limiting shunt regulator circuit

#61
20160204600
2016-07-14

Overvoltage protection apparatus and luminaire having such an overvoltage protection apparatus

#62
20160204599
2016-07-14

Arrangement for overload protection for overvoltage protection equipment

#63
20160181795
2016-06-23

Driving circuit and driving method applied to display system and associated display system

#64
20160156343
2016-06-02

Over-voltage protection circuit and associated method

#65
20160121818
2016-05-05

Bus system for configuring communication interfaces in the vehicle and method for manufacturing such a bus system

#66
20160020607
2016-01-21

Shut-off circuits for latched active ESD FET

#67
20150333509
2015-11-19

Protective circuit for a current transformer and current transformer with a protection circuit

#68
20150316571
2015-11-05

Fluid sample system and method

#69
20150303682
2015-10-22

Intrinsically safe voltage clamping device

#70
20150303673
2015-10-22

Electrical wiring system and method

#71
20150229121
2015-08-13

Circuit interruption device

#72
20150214910
2015-07-30

Operational transconductance amplifier with increased current sinking capability

#73
20150194953
2015-07-09

Hot-socket circuitry

#74
20150124359
2015-05-07

Combined ESD active clamp for cascaded voltage pins

#75
20150123552
2015-05-07

Overvoltage protection circuit, LED backlight driving circuit and LCD

#76
20150116873
2015-04-30

Crowbar device for voltage transient circuit protection

#77
20150098158
2015-04-09

Intrinsically safe voltage limiting shunt regulator circuit

#78
20150092307
2015-04-02

On chip reverse polarity protection compliant with ISO and ESD requirements

#79
20150049405
2015-02-19

Arrester bypass devices

#80
20150049404
2015-02-19

Electrostatic discharge protection device and integrated circuit using same

#81
20150022932
2015-01-22

Fault-tolerant self-indicating surge protection system for aircraft

#82
20140355157
2014-12-04

Electrostatic discharge (ESD) protection circuit with EOS and latch-up immunity

#83
20140293493
2014-10-02

Overvoltage protection device

#84
20140266419
2014-09-18

Voltage controller for radio-frequency switch

#85
20140198414
2014-07-17

Electrostatic discharge clamp with disable

#86
20140185172
2014-07-03

Apparatus for detecting surge voltage and method thereof

#87
20140185168
2014-07-03

Shut-off circuits for latched active ESD FET

#88
20140168833
2014-06-19

Surge protection device

#89
20140167862
2014-06-19

Electrostatic discharge protection of amplifier cascode devices

#90
20140146426
2014-05-29

Overvoltage protection circuit, power supply device, liquid crystal display device, electronic device and television set

#91
20140118869
2014-05-01

ESD protection scheme using I/O pads

#92
20140111893
2014-04-24

Protection circuit

#93
20140092508
2014-04-03

Clamping circuit, a semiconductor apparatus including the same, and a clamping method of the semiconductor apparatus

#94
20140049863
2014-02-20

Power adaptor

#95
20140002100
2014-01-02

Surge protection circuit and method for testing a surge protection circuit

#96
20130314159
2013-11-28

Operational transconductance amplifier with increased current sinking capability

#97
20130284490
2013-10-31

ELECTRICAL WIRING SYSTEM AND METHOD

#98
20130257543
2013-10-03

Power amplifier protection circuit, communication device, and method

#99
20130222954
2013-08-29

Electrostatic discharge protection circuit

#100
20120243136
2012-09-27

SURGE PROTECTION ARRANGEMENT FOR ELECTRICAL CIRCUITS

#101
20090046406
2009-02-19

Overvoltage device with enhanced surge suppression

#102
20080198520
2008-08-21

ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT WITH LOWERED DRIVING VOLTAGE

#103
20070217111
2007-09-20

Surge Varistor Having Over-Temperature Protection

#104
20050073791
2005-04-07

Surge protection of capacitor used for AC power filtering

#105
16535082
2020-09-22

Power conversion apparatus and short circuit protection circuit and method of capacitor thereof