ClassID:

202479

H01H9/50 - CPC Classification

Classification description:

Details of switching devices, not covered by groups  -  Means for detecting the presence of an arc or discharge

Recent Application in this class:
#1
20260066644
2026-03-05

Fault Arc Protection: Circuit Breaker System to Interrupt Faulty Section

#2
20250364191
2025-11-27

CIRCUIT INTERRUPTING DEVICE HAVING PRINTED CIRCUIT BOARD COILS

#3
20250341575
2025-11-06

APPARATUS, SYSTEM, AND COMPUTER-IMPLEMENTED METHOD FOR AUTOMATICALLY DETERMINING DEGRADATION OF AN ELECTRICAL CONTACTOR

#4
20250323486
2025-10-16

SYSTEMS AND METHODS FOR DETECTING AND IDENTIFYING ARCING BASED ON NUMERICAL ANALYSIS

#5
20250300445
2025-09-25

ELECTROMAGNETIC COIL-BASED RAPID FAULT NEUTRALIZATION APPARATUS AND METHOD FOR ARC FAULT MANAGEMENT SYSTEMS

#6
20250112449
2025-04-03

ELECTROMAGNETIC COIL-BASED RAPID FAULT NEUTRALIZATION APPARATUS AND METHOD FOR ARC FAULT MANAGEMENT SYSTEMS

#7
20240312735
2024-09-19

CIRCUIT INTERRUPTING DEVICE HAVING PRINTED CIRCUIT BOARD COILS

#8
20240283236
2024-08-22

Systems and methods for detecting and identifying arcing based on numerical analysis

#9
20230411087
2023-12-21

POWER CONTACT ELECTRODE SURFACE PLASMA THERAPY

#10
20230283060
2023-09-07

Hybrid arc flash mitigation system

#11
20230258706
2023-08-17

METHOD FOR PARTIAL DISCHARGE RECOGNITION IN HIGH VOLTAGE APPLICATIONS AND UNIT USING THE METHOD

#12
20230072455
2023-03-09

Circuit interrupting device having printed circuit board coils

#13
20230068787
2023-03-02

Hybrid arc flash mitigation system

#14
20220385056
2022-12-01

Systems and methods for detecting and identifying arcing based on numerical analysis

#15
20220140593
2022-05-05

Signal sampling circuit for arc detection

#16
20220115859
2022-04-14

Hybrid arc flash mitigation system

#17
20210327656
2021-10-21

Power contact electrode surface plasma therapy

#18
20210159026
2021-05-27

Electronic device with case having sheath-piercing tapered sections

#19
20210074487
2021-03-11

Power contact electrode surface plasma therapy

#20
20210035750
2021-02-04

Distribution board

#21
20200332948
2020-10-22

Systems and methods for detecting and identifying arcing based on numerical analysis

#22
20200035425
2020-01-30

Circuit interrupting device having printed circuit board coils

#23
20190222017
2019-07-18

Systems and methods for detecting and identifying arcing based on numerical analysis

#24
20190035570
2019-01-31

Method for avoiding electric arc when connecting or dis-connecting object to relay

#25
20190011492
2019-01-10

Circuit and method for detecting arc faults

#26
20180350878
2018-12-06

Method and Apparatus for a Transmission Gate for Multi-GB/s Application

#27
20180316178
2018-11-01

Black box apparatus for analyzing cause of arc interruption

#28
20180301293
2018-10-18

ONBOARD LOAD CONTROL DEVICE AND COMPUTER PROGRAM

#29
20180151311
2018-05-31

Programmable arc fault circuit interrupter (AFCI)

#30
20180083436
2018-03-22

Hybrid arc / ground fault circuit interrupter and methods of operation thereof

#31
20180048137
2018-02-15

Arc fault detection arrangement for a DC electric bus

#32
20180033569
2018-02-01

Current sense techniques for arc fault and ground fault receptacles

#33
20170263390
2017-09-14

Arc eliminator

#34
20170250527
2017-08-31

Gas-insulated switching apparatus

#35
20170170644
2017-06-15

Method and circuit for detecting an electric arc in a circuit, and switching device using such a circuit

#36
20170038424
2017-02-09

Partial discharge measurement device

#37
20170024880
2017-01-26

Arc detection method

#38
20150355307
2015-12-10

Method for testing mainframe performance of different types of partial discharge detectors based on analog voltage signal injection

#39
20150340180
2015-11-26

Apparatus including a circuit breaker adapted to selectively provide arc flash protection in connection with a wind turbine

#40
20150179363
2015-06-25

DEVICE FOR THE SAFE SWITCHING OF A PHOTOVOLTAIC SYSTEM

#41
20140301121
2014-10-09

Tunneling Electric Contacts And Related Methods, Systems And Applications

#42
20140210485
2014-07-31

Method and apparatus for detecting an arc in a DC circuit

#43
20140168843
2014-06-19

Arc fault detection equipment and method using low frequency harmonic current analysis

#44
20140160634
2014-06-12

Variable venting and damping arc mitigation assemblies and methods of assembly

#45
20140158666
2014-06-12

Arc mitigation assembly and method of assembly to avoid ground strike

#46
20140043714
2014-02-13

SWITCHGEAR INCLUDING A CIRCUIT BREAKER HAVING A TRIP UNIT WITH AN INTERFACE TO A NUMBER OF ARC FAULT SENSORS

#47
20120206843
2012-08-16

Method and apparatus for detection and control of DC arc faults

#48
20120139550
2012-06-07

ARC FAULT DETECTION METHOD AND SYSTEM

#49
20110122538
2011-05-26

Apparatus for Shutting Off a Fault Current in a Current-Carrying Line

#50
20110036175
2011-02-17

Apparatus and method for high frequency low pressure arc flash sensor

#51
20110019444
2011-01-27

Method and apparatus for detection and control of dc arc faults

#52
20100300853
2010-12-02

Ultra-thin, electronically conductive slice for button use

#53
20100224468
2010-09-09

Switch and welding method of same

#54
20100214008
2010-08-26

Semiconductor device with transistor-based fuses and related programming method

#55
20100084187
2010-04-08

COUPLER

#56
20080315980
2008-12-25

MEMS micro-switch array based on current limiting enabled circuit interrupting apparatus

#57
20080310058
2008-12-18

MEMS MICRO-SWITCH ARRAY BASED CURRENT LIMITING ARC-FLASH ELIMINATOR

#58
20070023618
2007-02-01

Arrangement for monitoring electric devices on stray light arcs

#59
20070001677
2007-01-04

Device for detecting contact wear in switching appliances