H01H50/002 - CPC Classification Index

#1

20230253171

2023-08-10

Electromagnetic contactor for star-delta driving

#2

20230112718

2023-04-13

Systems and methods for relay contact assembly reduction

#3

20220336176

2022-10-20

Systems and methods for controlling firing delay in multi-phase relay devices

#4

20220217853

2022-07-07

Universal control module for a reversing contactor

#5

20220148835

2022-05-12

System of four way automatic transfer switches

#6

20210099108

2021-04-01

Systems and methods for de-energized point-on-wave relay operations

#7

20210098217

2021-04-01

Systems and methods for controlling firing delay in multi-phase relay devices

#8

20210098207

2021-04-01

Systems and methods for minimizing energy available to contacts during a fault

#9

20210098205

2021-04-01

Systems and methods for relay contact assembly reduction

#10

20200395182

2020-12-17

Rotary relay contactor

#11

20200294748

2020-09-17

Rotary relay contactor

#12

20200168421

2020-05-28

Four-way automatic transfer switch

#13

20190025375

2019-01-24

Temperature-based electromagnetic switching

#14

20180301296

2018-10-18

Power switch module

#15

20180166243

2018-06-14

Electrical apparatus for disconnecting an electrical current

#16

20180067166

2018-03-08

Cleaning and motor heating electromagnetic motor control switching

#17

20170154746

2017-06-01

Swtiching phase offset for contactor optimization

#18

20170032916

2017-02-02

Switching device for a wye-delta switch in a multiphase motor

#19

20160134224

2016-05-12

Cleaning and motor heating electromagnetic motor control switching

#20

20160134210

2016-05-12

Modular multiple single-pole electromagnetic switching system and method

#21

20160134209

2016-05-12

6-pole based wye-delta motor starting system and method

#22

20160134207

2016-05-12

Synchronized reapplication of power for driving an electric motor

#23

20160134205

2016-05-12

Detection of electric motor short circuits

#24

20160133417

2016-05-12

Electromagnetic switch interlock system and method

#25

20160133415

2016-05-12

Wear-balanced electromagnetic motor control switching

#26

20160133414

2016-05-12

Single-pole, single current path switching system and method

#27

20160133413

2016-05-12

Single pole, single current path switching system and method

#28

20160133412

2016-05-12

Temperature-based electromagnetic switching

#29

20160133411

2016-05-12

Intelligent timed electromagnetic switching

#30

20160131712

2016-05-12

Wellness monitoring of electromagnetic switching devices

#31

20150325397

2015-11-12

Modular electrical switch device comprising at least one unipolar cut-off unit and a switch assembly comprising such devices

#32

20150318133

2015-11-05

Modular electrical switch device comprising at least one unipolar cut-off unit and a switch assembly comprising such devices

#33

20150303013

2015-10-22

Multiphase medium voltage vacuum contactor

#34

20150129549

2015-05-14

Switch

#35

20140334057

2014-11-13

Apparatus and method for sectioning the phase conductors of an electric power distribution network

#36

20140104740

2014-04-17

Switching phase offset for contactor optimization

#37

20140077905

2014-03-20

Contactor

#38

20130140153

2013-06-06

Electric switching system comprising an electric switching module including two elements coupling a contact(S)-holder with its driving device

#39

20120299395

2012-11-29

Switching phase offset for contactor optimization

#40

20110291493

2011-12-01

Switching device and system with switching device

#41

20100225177

2010-09-09

Switching phase offset for contactor optimization

#42

20090067110

2009-03-12

Switching device and a system comprising the same

#43

20080135391

2008-06-12

Tie bar for two pole switching device

#44

20080041704

2008-02-21

Tie bar for two pole switching device

#45

20060066425

2006-03-30

Multi-phase electromagnetic relay assembly and motor assembly

#46

20050073787

2005-04-07

Method and apparatus to control modular asynchronous contactors

#47

20050046527

2005-03-03

Miniaturizable electromagnetic relay

#48

20050013085

2005-01-20

Method and system of controlling asynchronous contactors for a multi-phase electric load