ClassID:

42652

B23H1/02 - CPC Classification

Classification description:

Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges

Sub-classes:
Recent Application in this class:
#1
20260115820
2026-04-30

SYSTEM AND METHOD FOR CHARACTERIZING AN ELECTRICAL DISCHARGE DRILLING PROCESS USING ULTRASOUND

#2
20260086532
2026-03-26

SYSTEM AND METHOD FOR CORRECTING EXTRINSIC LOADING EFFECTS ON KINEMATIC ACCURACY OF A MACHINING ASSEMBLY

#3
20260042162
2026-02-12

ELECTRICAL DISCHARGE MACHINING APPARATUS AND METHOD OF THE SAME

#4
20260014633
2026-01-15

METHOD FOR MACHINING A MULTIPLE MATERIAL WORKPIECE BY ELECTRICAL DISCHARGE MACHINING

#5
20250033174
2025-01-30

PULL STUD BOLT INSTALLATION AND REMOVAL TOOL AND TUBULAR BODY MANUFACTURING METHOD THEREOF

#6
20230219154
2023-07-13

Electrical discharge machining method for generating variable spray-hole geometry

#7
20230060166
2023-03-02

ESTIMATION METHOD AND CONTROL DEVICE FOR WIRE ELECTRICAL DISCHARGE MACHINE

#8
20220176505
2022-06-09

Electro-hydraulic combined system used for electro machining and supporting automatic tool changing

#9
20210299771
2021-09-30

Wire electric discharge machining method and wire electric discharge machining apparatus

#10
20210170513
2021-06-10

Method and device for wire electrical discharge machining

#11
20200290142
2020-09-17

Wire electrical discharge machine and wire electrical discharge machining method

#12
20200246900
2020-08-06

WELDING APPLICATOR AND METHOD OF APPLICATION

#13
20200246891
2020-08-06

Dual wire welding or additive manufacturing system

#14
20200139465
2020-05-07

COUPLING DEVICE

#15
20200122251
2020-04-23

Electric discharge machining apparatus

#16
20200023450
2020-01-23

ELECTRODE WIRE FOR ELECTRO-DISCHARGE MACHINING AND METHOD FOR MANUFACTURING THE SAME

#17
20200009670
2020-01-09

Electrical discharge machining device, electrical discharge machining method, and design method

#18
20190329342
2019-10-31

Wire electrical discharge machine and electrical discharge machining method

#19
20190329340
2019-10-31

Substrate

#20
20190270151
2019-09-05

Power supply control apparatus of electric discharge machine

#21
20190255637
2019-08-22

Electric discharge machine

#22
20190160568
2019-05-30

DEVICES AND METHODS FOR MARKING CONDUCTIVE OBJECTS

#23
20190160567
2019-05-30

Wire electric discharge machining apparatus

#24
20190151971
2019-05-23

TENSION CONTROL METHOD AND ELECTRICAL DISCHARGE MACHINING APPARATUS

#25
20190143433
2019-05-16

COUPLING DEVICE

#26
20190084064
2019-03-21

Dielectric working fluid processor and control method of dielectric working fluid processor

#27
20190076946
2019-03-14

AUTO WIRE FEEDING METHOD AND WIRE ELECTRICAL DISCHARGE MACHINE

#28
20190070683
2019-03-07

TOOL AND METHOD FOR PROCESSING A CHANNEL WITHIN AN ELECTRICALLY CONDUCTIVE COMPONENT

#29
20180318952
2018-11-08

Automatic blocked hole identification

#30
20180311753
2018-11-01

Electrical discharge machining method for generating variable spray-hole geometry

#31
20180311752
2018-11-01

Wire electrical discharge machine, wire electrical discharge machining system and jig

#32
20180250760
2018-09-06

Machine and method for spark erosion machining of a gerotor pump

#33
20180236579
2018-08-23

System and methods for electric discharge machining

#34
20180221977
2018-08-09

Electric discharge machine

#35
20180214962
2018-08-02

Wire electrical discharge machine

#36
20180200815
2018-07-19

Wire electrical discharge machine and machining method

#37
20180161900
2018-06-14

Method for predicting precision of electrical discharge machine

#38
20180147645
2018-05-31

Method for machining and inspecting of workpieces

#39
20180104756
2018-04-19

Machining method for three-dimensional open flow channel using high-speed arc discharge layered sweep

#40
20180088543
2018-03-29

Machining time-estimating method for wire electrical discharge machine and control device for wire electrical discharge machine

#41
20180036815
2018-02-08

ELECTRICAL DISCHARGE MACHINE

#42
20180029152
2018-02-01

Wire electrical discharge machine and wire electrical discharge machining method

#43
20180021869
2018-01-25

Wire electrical discharge machine

#44
20170304901
2017-10-26

APPARATUS FOR MAKING NANOPARTICLES AND NANOPARTICLE SUSPENSIONS

#45
20170297129
2017-10-19

Numerical control apparatus of a machine tool for machining a workpiece by a cutting tool along machining path including an offset

#46
20170297128
2017-10-19

Numerical control apparatus of a wireelectrical discharge machine for machining a workpiece by a wire electrode line along machining path including an offset

#47
20170297126
2017-10-19

Wire electrical discharge machining device

#48
20170229357
2017-08-10

Method and system of surface polishing

#49
20170197266
2017-07-13

Portable short electric arc processing system

#50
20170193654
2017-07-06

WIRE ELECTRIC DISCHARGE MACHINE

#51
20170173715
2017-06-22

Wire electric discharge machine

#52
20170173714
2017-06-22

WIRE-ELECTRIC DISCHARGE MACHINE

#53
20170087654
2017-03-30

Wire electric discharge machine having movable axis abnormal load warning function

#54
20170072490
2017-03-16

Processing program-generating method, path-generating device and electrical discharge machine

#55
20170030762
2017-02-02

Electric discharge machine

#56
20170014926
2017-01-19

Control device for wire electric discharge machine and control method for wire electric discharge machine

#57
20160346853
2016-12-01

Numerical controller for wire electrical discharge machine adapted for corner control of minute blocks

#58
20160332245
2016-11-17

Numerical controller

#59
20160288231
2016-10-06

Electrical discharge machine of which axis feeding properties are changeable

#60
20160288230
2016-10-06

Wire electric discharge machine

#61
20160263689
2016-09-15

Wire electrical discharge machine

#62
20160263688
2016-09-15

Wire electric discharge machining apparatus, wire electric discharge machining method, and control device

#63
20160256944
2016-09-08

Wire electric discharge machining apparatus, wire electric discharge machining method, and control device

#64
20160243635
2016-08-25

Wire electric discharge machine and method for correcting wire electrode connection hole position

#65
20160228963
2016-08-11

Wire electric discharge machine performing turning tool machining, turning tool machining method with wire electric discharge machine, and program creation apparatus for wire electric discharge machine that performs turning tool machining

#66
20160184911
2016-06-30

Wire electric discharge machine with tension monitoring function

#67
20160175956
2016-06-23

Controller for wire electric discharge machine having consumable exchange function

#68
20160136745
2016-05-19

Wire electric discharge machine having corner shape correcting function

#69
20160107251
2016-04-21

Keyway machining path creating device for wire electric discharge machine

#70
20160039029
2016-02-11

Wire electric discharge machine having function of moving from arbitrary retreat position in electric discharge state and returning to halt position

#71
20160023291
2016-01-28

Wire electric discharge machining apparatus

#72
20160001385
2016-01-07

Wire electric discharge machine

#73
20150367436
2015-12-24

Machining program creating device for keyway milling for wire electric discharge machine

#74
20150343544
2015-12-03

Plural resistance-capacitance (PRC) electrical discharge machining system

#75
20150314383
2015-11-05

Machining power supply device for electric discharge machine

#76
20150298231
2015-10-22

Portable micro-deburring component using micro-electrical discharge machining process

#77
20150283634
2015-10-08

Electric discharge machining apparatus

#78
20150266122
2015-09-24

Wire electric-discharge machining apparatus, wire electric-discharge machining method, and control device

#79
20150246403
2015-09-03

Power supply device for wire electric discharge machining

#80
20150239055
2015-08-27

Wire electric discharge machine having corner shape compensation function

#81
20150231719
2015-08-20

Wire discharge-machining apparatus with parallel cutting wires

#82
20150217391
2015-08-06

Electric discharge machining apparatus

#83
20150217390
2015-08-06

Wire electric-discharge machining apparatus

#84
20150209884
2015-07-30

Replacement determination device for electrical discharge machining electrode and replacement determination method

#85
20150202701
2015-07-23

Wire discharge machining apparatus with graphical wire length display

#86
20150183038
2015-07-02

Wire electric discharge machine and machining pass generating apparatus for wire electric discharge machine

#87
20150114936
2015-04-30

Electric discharge machine

#88
20150112473
2015-04-23

Machine tool and numerical control apparatus for controlling the same

#89
20150094845
2015-04-02

Control apparatus and machining method for wire electric discharge machine

#90
20150075558
2015-03-19

Method and system of surface polishing

#91
20150069022
2015-03-12

Numerical control apparatus for controlling wire electric discharge machine which performs taper machining

#92
20150066192
2015-03-05

Program creating device for wire electric discharge machine

#93
20150060412
2015-03-05

Electric discharge machine

#94
20150001182
2015-01-01

Wire electrical discharge machining apparatus, wire electrical discharge machining system, power supply apparatus, wire electrical discharge machining method, and method of manufacturing semiconductor substrate

#95
20140364992
2014-12-11

Machining-program generating apparatus, machining-program generating method, and recording medium

#96
20140339199
2014-11-20

WIRE ELECTRIC DISCHARGE PROCESSING MACHINE WITH RUST PREVENTING FUNCTION

#97
20140319102
2014-10-30

Power supply device for electrical discharge machine

#98
20140305909
2014-10-16

Wire electric discharge machine which performs taper cutting

#99
20140255716
2014-09-11

Multi-metal particle generator and method

#100
20140207272
2014-07-24

Wire electric discharge machine including control means for holding wire electrode at desired angle

#101
20140190941
2014-07-10

Power supply device for electric discharge machining

#102
20140177381
2014-06-26

Working trough and method for maintaining uniform temperature of working fluid

#103
20140135974
2014-05-15

Wire electric discharge machine having peak current compensation function

#104
20140131318
2014-05-15

Electric discharge machining die sinking device and related method of operation

#105
20140116990
2014-05-01

Electric discharge machining apparatus

#106
20140103014
2014-04-17

Wire electric discharge machine and wire electric discharge machining method

#107
20140076856
2014-03-20

Wire electric discharge machine having shaft feed control system discriminating function

#108
20140076855
2014-03-20

Data collection system for electric discharge machines

#109
20140014624
2014-01-16

WIRE ELECTRIC DISCHARGE MACHINE WITH MACHINING POWER SOURCE SWITCHABLE FOR WIRE CUTTING

#110
20130300258
2013-11-14

Piezoelectric device system producing both vibration and electric power

#111
20130277335
2013-10-24

Contact detection apparatus for wire electrical discharge machine with capability to vary applied gap voltage

#112
20130240486
2013-09-19

Wire electrical discharge machining device

#113
20130220979
2013-08-29

Wire electrical discharge machine and wire electrical discharge method for reducing machining damage during cutting machining and escape machining

#114
20130213941
2013-08-22

Electric discharge machine and electric discharge machining method

#115
20130206732
2013-08-15

ELECTRIC DISCHARGE MACHINING DEVICE

#116
20130206731
2013-08-15

Wire electric discharge machine performing distortion removing machining

#117
20130206730
2013-08-15

Wire electric discharge machine having function for controlling machining liquid temperature

#118
20130193112
2013-08-01

Wire electric discharge machine capable of detecting machining state and determining average voltage in machining gap

#119
20130180866
2013-07-18

Wire cutting method

#120
20130168362
2013-07-04

ELECTRIC DISCHARGE MACHINING METHOD AND APPARATUS

#121
20130140276
2013-06-06

Controller of electrical discharge machine

#122
20130112659
2013-05-09

Power supply system for wire electric discharge machining

#123
20130048612
2013-02-28

METHODS AND SYSTEMS FOR MONITORING AND CONTROLLING ELECTROEROSION

#124
20130001203
2013-01-03

Electric discharge machining hole drilling

#125
20120217225
2012-08-30

SPARK GAP CONTROL FOR ELECTRO-DISCHARGE MACHINING

#126
20120195699
2012-08-02

Broaching tool

#127
20120048832
2012-03-01

Wire-cut electric discharge machine having function for automatic switching between fixed temperature control and differential temperature control

#128
20120024821
2012-02-02

Wire electric discharge machining apparatus

#129
20120012469
2012-01-19

METHOD FOR PRODUCING BORES

#130
20110259854
2011-10-27

Clad welding method

#131
20110186551
2011-08-04

Electric discharge machine and method of producing nozzle body using the same

#132
20100163427
2010-07-01

METHODS AND SYSTEMS FOR ELECTROMACHINING OF A WORKPIECE

#133
20100103764
2010-04-29

Working trough and method for maintaining uniform temperature of working fluid

#134
20090277876
2009-11-12

Electrical discharge machining apparatus and electrical discharge machining method

#135
20090143891
2009-06-04

Wire electrical discharge machine with deformation compensation ability

#136
20080203069
2008-08-28

EDM process for manufacturing reverse tapered holes

#137
20080173617
2008-07-24

ELECTRIC DISCHARGE MACHINING APPARATUS

#138
20080160246
2008-07-03

Circuit board unit and method for production thereof

#139
20070289949
2007-12-20

Electric-discharge-machining power supply apparatus and electric discharge machining method

#140
20070205184
2007-09-06

High-speed, ultra precision manufacturing station that combines direct metal deposition and EDM

#141
20060163210
2006-07-27

Electrical discharge machining apparatus

#142
20060108328
2006-05-25

Methods and systems for monitoring and controlling electroerosion

#143
20050098541
2005-05-12

Method and system for electric discharge machining insulating material or high resistance material