ClassID:

216746

H02H3/445 - CPC Classification

Classification description:

Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the rate of change of electrical quantities of DC quantities

Recent Application in this class:
#1
20250385508
2025-12-18

Adaptive Commutation Hybrid Circuit Breaker

#2
20240348040
2024-10-17

SAFETY INTERLOCK FOR INSTRUMENTS AND SYSTEMS

#3
20220131367
2022-04-28

Method and device for starting direct-current (DC) transmission line protection, and storage medium

#4
20210384718
2021-12-09

Direct current (DC) circuit breaker

#5
20210382102
2021-12-09

Touch safe DC powering for remote loads

#6
20210234363
2021-07-29

System and method for improved detection of interruption of power supplied by an AC mains to a device

#7
20210223843
2021-07-22

Device, cabinet, and method for preventing power outage of entire cabinet

#8
20210218241
2021-07-15

POWER SUPPLY CIRCUIT AND ELECTRONIC DEVICE

#9
20210194247
2021-06-24

Monitoring of a high-voltage DC transmission

#10
20190207379
2019-07-04

Electronic device and control method thereof

#11
20190103742
2019-04-04

Solid-state circuit interrupter and arc inhibitor

#12
20190036329
2019-01-31

Circuit breaker failure protection in a power substation

#13
20180191151
2018-07-05

Method of detecting electrical disturbance by DC component

#14
20180183229
2018-06-28

Passive electronic fuse for protecting a DC application

#15
20180006014
2018-01-04

Phase shifter

#16
20170338646
2017-11-23

Device with power switch

#17
20170302070
2017-10-19

Electromagnetic streamer safety

#18
20160352091
2016-12-01

Fault location of DC distribution systems

#19
20160033566
2016-02-04

Abnormal connection detection method

#20
20140195177
2014-07-10

Noise propagation immunity of a multi-string arc fault detection device

#21
20140142874
2014-05-22

Home run arc detection at the photovoltaic string level using multiple current sensors

#22
20140142873
2014-05-22

Systems and methods of discriminating DC arcs and load switching noise

#23
20130077204
2013-03-28

Breaker failure protection of HVDC circuit breakers

#24
20130033787
2013-02-07

Mobile generator and mobile generator protective device

#25
20120206843
2012-08-16

Method and apparatus for detection and control of DC arc faults

#26
20120206841
2012-08-16

Power converter and method of operation

#27
20120200966
2012-08-09

Protection system for an electrical power network

#28
20120026633
2012-02-02

Decreasing voltage detection with control signaling

#29
20110299201
2011-12-08

SSPC for parallel arc fault detection in DC power system

#30
20110019444
2011-01-27

Method and apparatus for detection and control of dc arc faults

#31
20080024077
2008-01-31

Portable linear actuator and a method of limiting the maximum force of a motor of such an actuator

#32
20070103833
2007-05-10

Resettable circuit protection apparatus

#33
20060164772
2006-07-27

Solid state switch with quasi-predictive short circuit protection and thermal protection