B23H1/022 - CPC Classification Index

ClassID:

42653 ⎘

B23H1/022 - 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 for shaping the discharge pulse train

Recent Application in this class:

20230387911

2023-11-30

Zero excess energy storage transformer

20230182222

2023-06-15

Method For Electrical Discharge Machining

20230135308

2023-05-04

WIRE ELECTRIC DISCHARGE MACHINING APPARATUS AND WIRE ELECTRIC DISCHARGE MACHINING METHOD

20220410326

2022-12-29

MACHINING METHOD FOR ULTRA-HIGH STRENGTH STEEL HIGH-ASPECT-RATIO WIND TUNNEL TEST MODEL PART

20220063008

2022-03-03

Electric discharge machine

20210370425

2021-12-02

Power source device for electric discharge machine

20210370424

2021-12-02

Power source device for electric discharge machine

20210187579

2021-06-24

Device and method for forming metal plate by using high-energy electric pulse to drive energetic materials

20210178500

2021-06-17

Control device and recording medium encoded with program

#10

20210170513

2021-06-10

Method and device for wire electrical discharge machining

#11

20210013880

2021-01-14

Zero excess energy storage transformer

#12

20200306852

2020-10-01

Wire electrical discharge machine and endface position determining method

#13

20200122252

2020-04-23

Wire electrical discharge machine and electrical discharge machining method

#14

20200009670

2020-01-09

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

#15

20190366456

2019-12-05

Electrical discharge machine time slice power supply

#16

20190337069

2019-11-07

Slicing SiC material by wire electrical discharge machining

#17

20190168505

2019-06-06

Driving variable capacitive loads

#18

20190061031

2019-02-28

Wire electrical discharge machining method

#19

20180104756

2018-04-19

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

#20

20180056421

2018-03-01

Wire electrical discharge machine

#21

20180056420

2018-03-01

Wire electrical discharge machine and measuring method

#22

20180036817

2018-02-08

Wire electric discharge machine including average discharge delay time calculating unit

#23

20180036816

2018-02-08

Wire electric discharge machine including average discharge delay time calculating unit

#24

20170297126

2017-10-19

Wire electrical discharge machining device

#25

20170197266

2017-07-13

Portable short electric arc processing system

#26

20160354851

2016-12-08

ELECTRIC DISCHARGE MACHINING APPARATUS, ELECTRIC DISCHARGE MACHINING METHOD, AND SEMICONDUCTOR SUBSTRATE MANUFACTURING METHOD

#27

20160263688

2016-09-15

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

#28

20160236292

2016-08-18

Wire electrical discharge machining apparatus

#29

20160059337

2016-03-03

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

#30

20160052073

2016-02-25

Method and pulse-forming device for electrical discharge machining

#31

20160001385

2016-01-07

Wire electric discharge machine

#32

20150360310

2015-12-17

Pulse and gap control for electrical discharge machining equipment

#33

20150343544

2015-12-03

Plural resistance-capacitance (PRC) electrical discharge machining system

#34

20150314383

2015-11-05

Machining power supply device for electric discharge machine

#35

20150246403

2015-09-03

Power supply device for wire electric discharge machining

#36

20150217391

2015-08-06

Electric discharge machining apparatus

#37

20150217390

2015-08-06

Wire electric-discharge machining apparatus

#38

20150196964

2015-07-16

Wire electric discharge machine

#39

20150114936

2015-04-30

Electric discharge machine

#40

20150069023

2015-03-12

Method and apparatus for spark-erosion machining of a workpiece

#41

20150060412

2015-03-05

Electric discharge machine

#42

20150027992

2015-01-29

Wire electric discharge machine including average discharge delay time calculating unit

#43

20140319102

2014-10-30

Power supply device for electrical discharge machine

#44

20140116990

2014-05-01

Electric discharge machining apparatus

#45

20140103014

2014-04-17

Wire electric discharge machine and wire electric discharge machining method

#46

20140097909

2014-04-10

High-frequency power source device

#47

20140083980

2014-03-27

Apparatus and method for electrical discharge machining modulation control

#48

20130292360

2013-11-07

Power supply device for electric discharge machining apparatus and electric discharge machining method

#49

20130015162

2013-01-17

Power supply device for wire electric discharge machine capable of suppressing wire electrode consumption

#50

20120228270

2012-09-13

Electric discharge machine

#51

20120228268

2012-09-13

POWER SUPPLY DEVICE FOR ELECTRICAL DISCHARGE MACHINE AND CONTROL METHOD THEREFOR

#52

20120152907

2012-06-21

Self-adjusting power device for high efficiency electrical discharge machining and method thereof

#53

20120048833

2012-03-01

Wire electric discharge machine capable of detecting machining state

#54

20110220615

2011-09-15

Power supply device for sinker electric discharge machining

#55

20110163071

2011-07-07

Power supply device for electrical discharge machine

#56

20110114604

2011-05-19

Electric discharge machining apparatus, electric discharge machining method, and semiconductor substrate manufacturing method

#57

20110000889

2011-01-06

Electric discharge machining apparatus and electric discarge machining method

#58

20100320173

2010-12-23

Power source controller of electrical discharge machine

#59

20100308017

2010-12-09

Electric discharge machining device that applies a voltage pulse between a processing electrode and a workpiece

#60

20100294743

2010-11-25

ELECTRIC DISCHARGE DEVICE

#61

20100213176

2010-08-26

Sinker electric discharge machining method, and sinker electric discharge machining apparatus

#62

20100157637

2010-06-24

GREEN-ENERGY POWER GENERATOR FOR ELECTRICAL DISCHARGE MACHINE

#63

20100147805

2010-06-17

Power-supply control device for electrical discharge machining apparatus

#64

20100140226

2010-06-10

TANDEM MICRO ELECTRO-DISCHARGE MACHINING APPARATUS

#65

20100133237

2010-06-03

Apparatus for machining a workpiece using wire discharge including an upper and lower power supply unit

#66

20100090708

2010-04-15

Electric discharge detection method and electric discharge machining apparatus

#67

20100012626

2010-01-21

Wire electrical discharge machining apparatus

#68

20090314747

2009-12-24

Wire electric discharge machine with impedance switching

#69

20090134126

2009-05-28

Electric-discharge machining apparatus and electric-discharge machining method

#70

20080245780

2008-10-09

Electric discharge machine and method for optimizing machining conditions of the electric discharge machine

#71

20080230521

2008-09-25

Power supply apparatus for electric discharge machine and power supply control method

#72

20080203068

2008-08-28

Power supply-control device for electrical discharge machining apparatus

#73

20080116174

2008-05-22

Method and device for electrical discharge machining

#74

20080110865

2008-05-15

Wire electric discharge machining apparatus and wire electric discharge machining method

#75

20080106242

2008-05-08

Current regulation module

#76

20080017615

2008-01-24

Apparatus and method for electric discharge machining and method of discriminating electric discharge

#77

20080017614

2008-01-24

Electric-discharge-machining power supply apparatus and small-hole electric-discharge machining apparatus

#78

20070295611

2007-12-27

METHOD AND COMPOSITION FOR POLISHING A SUBSTRATE

#79

20070256939

2007-11-08

Methods and Apparatus for Electroerosion

#80

20070163999

2007-07-19

Device for machining by electroerosion

#81

20070039929

2007-02-22

Method and generator for electrical discharge machining

#82

20070034609

2007-02-15

Electric discharge machining apparatus

#83

20070023400

2007-02-01

Method and generator for electrical discharge machining

#84

20070023399

2007-02-01

Method and generator for electrical discharge machining

#85

20060249483

2006-11-09

Method and apparatus for generating machining pulses for electrical discharge machining

#86

20060125457

2006-06-15

Power conversion apparatus for pulse current

#87

20060054600

2006-03-16

Discharge-processing power source device

#88

20060006150

2006-01-12

Electrical discharge machine power supply

#89

20050247569

2005-11-10

Distributed arc electroerosion

#90

20050194947

2005-09-08

Power supply device for electric discharge machining

#91

20050127041

2005-06-16

Electric power unit for machining of wire electric discharge machine

#92

20050115929

2005-06-02

Electric discharge machine power supply

#93

20050098541

2005-05-12

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

#94

20050051519

2005-03-10

Machining power supply for wire electrical discharge machine