ClassID:

42657

B23H1/04 - 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 Electrodes specially adapted therefor or their manufacture

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
20250281989
2025-09-11

THROUGH FLUSH GUIDE FOR FAST HOLE DRILLING WITH ELECTRICAL DISCHARGE MACHINING SYSTEM

#3
20250141170
2025-05-01

Brush Module for a Rotary Table

#4
20240165724
2024-05-23

ELECTRICAL DISCHARGE MACHINING SYSTEM WITH INTEGRATED FLUSHING

#5
20240051049
2024-02-15

ELECTRICAL-DISCHARGE MACHINING

#6
20240001467
2024-01-04

MACHINE TOOL

#7
20230416937
2023-12-28

METHOD OF MANUFACTURING A ZINC-NICKEL ALLOY ELECTROPLATED STEEL SHEET

#8
20220371093
2022-11-24

Method of manufacturing additively manufactured object

#9
20220362870
2022-11-17

ELECTRICAL DISCHARGE MACHINING APPARATUS

#10
20220212276
2022-07-07

Contact matrix for grounding a ceramic component during electrical discharge machining

#11
20220161342
2022-05-26

Electrical discharge machining assemblies and methods for using the same

#12
20220081795
2022-03-17

ELECTROPLATED STEEL SHEET HAVING EXCELLENT SURFACE APPEARANCE, AND MANUFACTURING METHOD THEREFOR

#13
20210370425
2021-12-02

Power source device for electric discharge machine

#14
20210178500
2021-06-17

Control device and recording medium encoded with program

#15
20210129244
2021-05-06

Lower guide unit of electrical discharge machine

#16
20210107078
2021-04-15

COMPOUND AND A METHOD OF USING THE COMPOUND

#17
20210101216
2021-04-08

Electrical discharge machining electrodes and associated methods

#18
20210087933
2021-03-25

Method of repairing a firtree feature with wire electrical discharge machining

#19
20210039181
2021-02-11

Electric discharge machining unit of electric discharge machining apparatus

#20
20200398358
2020-12-24

Electric discharge machining assembly

#21
20200368851
2020-11-26

Systems and methods for manufacturing film cooling hole diffuser portion

#22
20200206834
2020-07-02

Electrical discharge machining assemblies and methods for using the same

#23
20200198038
2020-06-25

Methods and processing unit for electric discharge machine

#24
20200122255
2020-04-23

ELECTROMACHINING SYSTEMS AND METHODS

#25
20200122253
2020-04-23

Electro-discharge machining tool and a method of using the same

#26
20200108457
2020-04-09

ELECTRODE HOLDER

#27
20200016673
2020-01-16

Electrode and method for manufacturing the same

#28
20190388988
2019-12-26

Electric discharge machining apparatus

#29
20190337101
2019-11-07

METHODS AND TOOLS FOR USE IN REPAIRING GAS ENGINE TURBINE BLADES

#30
20190336021
2019-11-07

Preparation of micro-electrodes

#31
20190270152
2019-09-05

Electrode for an electro-erosion process and an associated method thereof

#32
20190184503
2019-06-20

Repair or remanufacture of blade platform for a gas turbine engine

#33
20190143431
2019-05-16

Tool electrode for and methods of electrical discharge machining

#34
20190105722
2019-04-11

Integrated impeller manufacturing method

#35
20190099917
2019-04-04

Metal mold for manufacturing honeycomb structure, apparatus for producing metal mold, and method for manufacturing honeycomb structure

#36
20190091783
2019-03-28

Electrodes for and methods of electrical discharge machining

#37
20190061077
2019-02-28

MULTI-AXIS ALIGNMENT TOOL

#38
20180361512
2018-12-20

Systems and methods for manufacturing film cooling hole diffuser portion

#39
20180229319
2018-08-16

System and methods of multiple electrode electric discharge machining

#40
20180116043
2018-04-26

Plasma power tool

#41
20180111210
2018-04-26

Apparatus and method for electrically machining

#42
20180104756
2018-04-19

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

#43
20180093337
2018-04-05

Electrode for an electro-erosion process and an associated method thereof

#44
20180065200
2018-03-08

Electrical machining device and method, hybrid machining system and method

#45
20180056421
2018-03-01

Wire electrical discharge machine

#46
20180056419
2018-03-01

Electrodes for and methods of electrical discharge machining

#47
20170334008
2017-11-23

Machining and manufacturing systems and method of operating the same

#48
20170320163
2017-11-09

Combined liquid guided laser and electrical discharge machining

#49
20170282267
2017-10-05

Method and apparatus for machining workpiece

#50
20170259363
2017-09-14

Geometric control and best fitting of electric discharge machining tools

#51
20170229357
2017-08-10

Method and system of surface polishing

#52
20170106461
2017-04-20

Preparation of micro-electrodes

#53
20170072488
2017-03-16

Electrical discharge machining system having independent electrodes, related control system and method

#54
20170072487
2017-03-16

Electrical discharge machining system having independent electrodes

#55
20160346900
2016-12-01

Retruing of a grinding wheel using EDM machine

#56
20160311044
2016-10-27

Method for profile machining

#57
20160288230
2016-10-06

Wire electric discharge machine

#58
20160239955
2016-08-18

Apparatus and a method of machining a shape through a component

#59
20160236292
2016-08-18

Wire electrical discharge machining apparatus

#60
20160228964
2016-08-11

GRAPHENE ELECTRODE

#61
20160101479
2016-04-14

Methods for the electroerosion machining of high-performance metal alloys

#62
20160074950
2016-03-17

WIRE ELECTRIC DISCHARGE MACHINE

#63
20160069192
2016-03-10

Double-jet film cooling structure and method for manufacturing same

#64
20160067836
2016-03-10

Repair or remanufacture of blade platform for a gas turbine engine

#65
20160039028
2016-02-11

Electrical discharge machining apparatus

#66
20160039026
2016-02-11

Electrode for electrical discharge machining and method for manufacturing honeycomb structure forming die

#67
20160001404
2016-01-07

Methods and tools for use in repairing gas engine turbine blades

#68
20150298231
2015-10-22

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

#69
20150273600
2015-10-01

ELECTRO DISCHARGE MACHINING SYSTEM AND METHOD OF OPERATION THEREOF

#70
20150246402
2015-09-03

Electrical discharge machine and method for manufacturing machined object using the same

#71
20150114937
2015-04-30

Eccentric electrode for electric discharge machining, method of manufacturing the same, and micro electric discharge machining apparatus including the same

#72
20150102015
2015-04-16

METHOD OF SEPERATING FASTENER SHANKS FROM HEADS OR FRAMES

#73
20150096960
2015-04-09

Apparatus and method for machining internal portions of a valve body

#74
20150027991
2015-01-29

Wire electrode for the spark-erosive cutting of articles

#75
20150021299
2015-01-22

Batch Methods of Forming Microscale or Millimeter Scale Structures Using Electro Discharge Machining Alone or In Combination with Other Fabrication Methods

#76
20150014281
2015-01-15

Electrode and method for manufacturing the same

#77
20140353284
2014-12-04

Electrode for forming a cooling channel in a wall

#78
20140339200
2014-11-20

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

#79
20140291296
2014-10-02

Nanomaterials fabricated using spark erosion and other particle fabrication processes

#80
20140202992
2014-07-24

Method of producing injection-molding die for worm wheel, and method of producing worm wheel

#81
20140183164
2014-07-03

NON-LINE OF SIGHT ELECTRO DISCHARGE MACHINING SYSTEM

#82
20140175064
2014-06-26

Customized and varying cross-section electrodes

#83
20140158290
2014-06-12

Method for manufacturing multi-piece bonded graphite blanks for EDM

#84
20140042128
2014-02-13

ELECTRIC DISCHARGE MACHINING PROCESS, ARTICLE FOR ELECTRIC DISCHARGE MACHINING, AND ELECTRIC DISCHARGE COOLANT

#85
20140014625
2014-01-16

Wire electric discharge machine and automatic programming device for wire electric discharge machine

#86
20140001158
2014-01-02

SYSTEMS AND METHODS FOR REPAIRING ENCASED COMPONENTS

#87
20130319974
2013-12-05

Spark erosion tool and electrode for a spark erosion tool

#88
20130299458
2013-11-14

ELECTRICAL DISCHARGE MACHINING SYSTEM AND METHOD FOR ELECTIRCAL DISCHARGE MACHINING USING THE SAME

#89
20130284983
2013-10-31

Wire electrical discharge machining system, wire electrical discharge machining method, and workpiece

#90
20130277336
2013-10-24

DEVICES AND METHODS FOR DISSECTING FASTENER HEAD AND SLEEVE BUFFER

#91
20130186865
2013-07-25

Wire electrical discharge machine carrying out electrical discharge machining by inclining wire electrode

#92
20130181598
2013-07-18

Discharge element and method of manufacturing the same

#93
20130168363
2013-07-04

WIRE ELECTRIC DISCHARGE MACHINE HAVING DIELECTRIC HEATING TUBE

#94
20130139386
2013-06-06

HONEYCOMB CONSTRUCTION FOR ABRADABLE ANGEL WING

#95
20130119023
2013-05-16

GRAPHITIZED EDM WIRE

#96
20120273465
2012-11-01

Electrode wire for electro-discharge machining and method for manufacturing the same

#97
20110266258
2011-11-03

Method of separating fastener shanks from heads or frames

#98
20110243677
2011-10-06

Method and apparatus for milling thermal barrier coated metals

#99
20110233186
2011-09-29

Method for manufacturing honeycomb structure forming die

#100
20110233171
2011-09-29

Method for manufacturing honeycomb structure forming die

#101
20110186550
2011-08-04

Method of creating an airfoil trench and a plurality of cooling holes within the trench

#102
20110114605
2011-05-19

Advanced flushing for workpiece erosion

#103
20110049107
2011-03-03

Electro-discharge electrode and method of use

#104
20110010931
2011-01-20

Micro spherical stylus manufacturing machine

#105
20100307274
2010-12-09

Worm Wheel, Method of Producing Injeciton-Molding Die for Worm Wheel, and Method of Producing Worm Wheel

#106
20100270168
2010-10-28

Method for removing material from a component, and electrode

#107
20100252534
2010-10-07

METHOD FOR PROCESSING METAL MOLDING MEMBER HAVING FINE CONFIGURATION, METHOD FOR MANUFACTURING METAL MOLDING MEMBER, EXTRUSION DIE, METHOD FOR MANUFACTURING EXTRUDED MEMBER, AND EXTRUDED MEMBER

#108
20100229388
2010-09-16

Cooling channel formed in a wall

#109
20100200548
2010-08-12

Fabrication method of electrode for spark surface modification, and spark surface modification electrode

#110
20100140226
2010-06-10

TANDEM MICRO ELECTRO-DISCHARGE MACHINING APPARATUS

#111
20100096365
2010-04-22

Hand-held electro-discharge device

#112
20100017007
2010-01-21

Apparatus and Method For Designing an Electrode Shape for an Electrical Discharge Machining Process

#113
20100012627
2010-01-21

Material piece scooping device

#114
20100005650
2010-01-14

Gradation twin-wire EDM manufacturing system

#115
20090288954
2009-11-26

Device suitable for electrochemically processing an object as well as a method for manufacturing such a device, a method for electrochemically processing an object, using such a device, as well as an object formed by using such a method

#116
20090255822
2009-10-15

ELECTRICAL DISCHARGE SURFACE TREATMENT METHOD AND DRESSING METHOD

#117
20090255110
2009-10-15

Photo-etched EDM electrode

#118
20090205198
2009-08-20

CARBON MATERIAL AND METHOD OF PROCESSING CARBON MATERIAL

#119
20090184203
2009-07-23

Cooling channel formed in a wall

#120
20090166334
2009-07-02

Microshaft Forming Method, Microshaft Formed by This Method and Microshaft Forming Apparatus

#121
20090081325
2009-03-26

Molding die machining electrode, fabricating method of molding die, and molding die

#122
20090001053
2009-01-01

Rough machining electroerosion method for machining a channel in a workpiece

#123
20080298920
2008-12-04

Method and apparatus for milling thermal barrier coated metals

#124
20080277384
2008-11-13

Apparatus and method for hybrid machining a workpiece

#125
20080203069
2008-08-28

EDM process for manufacturing reverse tapered holes

#126
20080196237
2008-08-21

METHOD AND APPARATUS FOR MANUFACTURING HONEYCOMB COMPACT-BODY MOLDING DIE

#127
20080177416
2008-07-24

METHOD AND APPARATUS FOR AUTOMATIC CONSTRUCTION OF ELECTRODES FOR ROCKING-MOTION ELECTRIC DISCHARGE MACHINING

#128
20080142488
2008-06-19

COMPOUND ELECTRODE, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

#129
20080135141
2008-06-12

METHOD OF MANUFACTURING ELECTRICAL DISCHARGE ELECTRODE

#130
20080023446
2008-01-31

Microreplication on a complex surface

#131
20070292223
2007-12-20

Method and apparatus for aligning a machine tool

#132
20070271785
2007-11-29

Method and apparatus for the manufacture of fans, turbines and guide vanes

#133
20070264566
2007-11-15

Electrode Arrangement Having Variable Geometry for Electrochemical Treatments

#134
20070193979
2007-08-23

EDM electrode tool holder

#135
20070177708
2007-08-02

Method and apparatus for removing tack welds on reactor vessel components in a nuclear reactor

#136
20070095796
2007-05-03

Electrode dressing template

#137
20070080145
2007-04-12

Method and device for producing an internal thread by automatically machining in a bore

#138
20070025852
2007-02-01

Cooling channel formed in a wall

#139
20060118402
2006-06-08

Electrode for electric discharge surface treatment, and method and apparatus for electric discharge surface treatment

#140
20060065546
2006-03-30

Electric discharge machining electrode and method

#141
20050102809
2005-05-19

Method for processing metal molding member having fine configuration, method for manufacturing metal molding member, extrusion die, method for manufacturing extruded member, and extruded member

#142
14206949
2018-04-24

Method for forming a dual threaded die