ClassID:

216861

H02H9/042 - page 2 - CPC Classification

Classification description:

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device

Recent Application in this class:
#301
20090323242
2009-12-31

Disconnector and overvoltage protection device

#302
20090290276
2009-11-26

Overvoltage protection device for an electrical circuit

#303
20090268356
2009-10-29

Input protection circuit

#304
20090243758
2009-10-01

Power conditioning circuit utilizing high oersted rating inductors

#305
20090237848
2009-09-24

Electro-magnetic pulse protection circuit with a counter

#306
20090207542
2009-08-20

Voltage surge protection device and electronic circuit comprising one such a device

#307
20090207034
2009-08-20

Home control protection system

#308
20090180222
2009-07-16

Self fault-detection circuit for ground fault circuit interrupter

#309
20090154034
2009-06-18

Motor drive with low leakage surge protection

#310
20090147423
2009-06-11

System and method for overvoltage protection

#311
20090147419
2009-06-11

Power interface circuit and electronic device using the same

#312
20090128977
2009-05-21

Method to protect Ethernet connected products

#313
20090109591
2009-04-30

INRUSH CURRENT PROTECTION CIRCUIT

#314
20090109585
2009-04-30

Series surge suppression structure

#315
20090073618
2009-03-19

SURGE ABSORBING CIRCUIT CAPABLE OF REDUCING A CLAMPING VOLTAGE WITH A GREAT EXTENT

#316
20090046401
2009-02-19

Method and apparatus of providing 2-stage ESD protection for high-speed interfaces

#317
20090002912
2009-01-01

Electric fence energizer lightning protection

#318
20090002907
2009-01-01

Modular parallel protection circuit

#319
20080304200
2008-12-11

Insulated surge suppression circuit

#320
20080247105
2008-10-09

Voltage surge and overvoltage protection

#321
20080218925
2008-09-11

MOV failure mode identification

#322
20080198527
2008-08-21

Surge protection device and surge protection apparatus using thereof

#323
20080158765
2008-07-03

Travel outlet device

#324
20080130180
2008-06-05

Circuit protection device

#325
20080129523
2008-06-05

PORTABLE OVERVOLTAGE SENSOR FOR SENSING OVERVOLTAGE OF AN ELECTRICAL DEVICE DURING MANUFACTURING

#326
20080122573
2008-05-29

APPARATUS AND METHOD FOR CLAMPING A VOLTAGE ON A LINE

#327
20080088405
2008-04-17

Metal oxide varistor with built-in alloy-type thermal fuse

#328
20080068027
2008-03-20

Power line surge arrestor monitoring system

#329
20080062606
2008-03-13

Surge protection device for coaxial cable with diagnostic capabilities

#330
20080062603
2008-03-13

Apparatus and method for overload protection of electronic circuitry

#331
20080055797
2008-03-06

High speed lightning regulator circuit with self test attributes

#332
20070217110
2007-09-20

Tri-phase surge protector and its manufacturing method

#333
20070201177
2007-08-30

Surge protection device disconnector

#334
20070195474
2007-08-23

System and method for protecting transient-suppressing elements against over-voltage conditions

#335
20070159756
2007-07-12

Surge suppressor, electronic device, and method with components oriented for improved safety

#336
20070153441
2007-07-05

Voltage-responsive protection device, and lamp-string apparatus that incorporates the same

#337
20070109710
2007-05-17

Modular Outlet Strip

#338
20070103837
2007-05-10

Circuit device to prevent function of electronic equipment or appliance from attenuating

#339
20070097584
2007-05-03

High current surge panel with diagnostics

#340
20070086141
2007-04-19

Surge receptacle apparatus and power system including the same

#341
20070086138
2007-04-19

Two-wire active sensor interface circuit

#342
20070070570
2007-03-29

Surge protection methods and apparatus

#343
20070047167
2007-03-01

Outdoor lightning protection power supply system

#344
20070025044
2007-02-01

Circuit protection device having thermally coupled MOV overvoltage element and PPTC overcurrent element

#345
20070002511
2007-01-04

Meter-base surge protector

#346
20060291118
2006-12-28

Power transmission line equipped with a protection circuit

#347
20060279892
2006-12-14

Protection device of a surge protector

#348
20060279885
2006-12-14

Fail-open surge protection system

#349
20060221532
2006-10-05

Apparatus for protecting DC-powered equipment from power events occurring at the equipment power input

#350
20060215342
2006-09-28

Surface mount multi-layer electrical circuit protection device with active element between PPTC layers

#351
20060198066
2006-09-07

Permanent-magnet ground fault circuit interrupter plug and its permanent-magnet mechanism therein

#352
20060181833
2006-08-17

Surge protection circuit

#353
20060164770
2006-07-27

Regulator and electronic apparatus therewith

#354
20060139832
2006-06-29

Common mode surge protection filter

#355
20060126255
2006-06-15

Excessive surge protection method and apparatus

#356
20060126239
2006-06-15

Surge absorption circuit and laminated surge absorption device

#357
20060082946
2006-04-20

Power surge protection in an irrigation controller

#358
20060044729
2006-03-02

Device for protection against voltage surges with mobile electrode

#359
20060034031
2006-02-16

Protector for over tensions of industrial and home networks

#360
20060007625
2006-01-12

Surge protector

#361
20060007621
2006-01-12

Surge protector with input transformer

#362
20060002049
2006-01-05

Surge protection device

#363
20050280971
2005-12-22

Voltage surge protection device

#364
20050258805
2005-11-24

Devices and methods for protection of rechargeable elements

#365
20050201030
2005-09-15

Protection circuit for dual voltage electrical distribution system

#366
20050180080
2005-08-18

Protection and indication apparatus

#367
20050162801
2005-07-28

Overvoltage protecting circuit in a steady state

#368
20050152085
2005-07-14

Low cost surge protection

#369
20050122655
2005-06-09

Apparatus and method for fusing voltage surge and transient anomalies in a surge suppression device

#370
20050083628
2005-04-21

Close tolerance surge suppression circuit

#371
20050073793
2005-04-07

Dual stage current limiting surge protector system

#372
20050068709
2005-03-31

System for overvoltage protection

#373
20050047050
2005-03-03

Surge voltage suppressor

#374
20050041356
2005-02-24

Circuit arrangement for protection against impulse voltages

#375
16422157
2020-02-25

Power supply unit with connector protection circuit

#376
16281659
2019-12-17

Detection and protection of power phase loss and neutral failure

#377
15968897
2019-08-13

Surge protector with wireless notification

#378
14576288
2017-10-17

Overvoltage protection circuits and methods of operating same

#379
14513824
2016-09-20

Electro-optic terminal protection system with matching stub

#380
14160024
2016-05-10

Electro-optical terminal protection system for sensitive electronics

#381
14037857
2016-08-02

Detection of a silent failure of a surge protection device