ClassID:

233490

H05H1/36 - CPC Classification

Classification description:

Generating plasma; Handling plasma; Generating plasma; Plasma torches using an arc; Details, e.g. electrodes, nozzles Circuit arrangements

Recent Application in this class:
#1
20260122751
2026-04-30

Efficient Plasma Driving

#2
20260006710
2026-01-01

SYSTEMS AND METHODS FOR OPERATING A TORCH BASED ON A PHYSICAL FORMATION OF A TORCH COMPONENT

#3
20250386417
2025-12-18

SYSTEMS AND METHODS FOR CONDITIONING A GAS FLOW IN A PLASMA PROCESSING SYSTEM

#4
20250294663
2025-09-18

SYSTEMS AND METHODS FOR ARC DETECTION AND HANDLING USING IMPEDANCE DATA

#5
20250276400
2025-09-04

SYSTEMS AND METHODS FOR HIGH-SPEED PLASMA ARC PROCESSING

#6
20250185148
2025-06-05

TRIGGER MODULE

#7
20250040109
2025-01-30

SYSTEMS AND METHODS FOR REGULATING CURRENT FLOW THROUGH TWO OR MORE INVERTERS

#8
20250016906
2025-01-09

CONNECTOR IN A PLASMA ARC TORCH SYSTEM

#9
20240414833
2024-12-12

System And Method For Generating And Containing A Plasma

#10
20240381519
2024-11-14

PLASMA TORCH DEVICE COMPONENT MONITORING

#11
20240349417
2024-10-17

WAVEFORM DETECTION OF STATES AND FAULTS IN PLASMA INVERTERS

#12
20240284582
2024-08-22

GAS SUPPLY FOR A PLASMA ARC MATERIAL PROCESSING SYSTEM

#13
20240276628
2024-08-15

SYSTEM AND METHOD FOR PLASMA GENERATION OF NITRIC ACID

#14
20240237184
2024-07-11

ELECTRODES FOR A PLASMA ARC PROCESSING SYSTEM

#15
20240138047
2024-04-25

ELECTRODES FOR A PLASMA ARC PROCESSING SYSTEM

#16
20240130030
2024-04-18

METHODS FOR MIXING FLUIDS FOR A PLASMA CUTTING TORCH

#17
20230363078
2023-11-09

Waveform detection of states and faults in plasma inverters

#18
20230354501
2023-11-02

DC plasma torch electrical power design method and apparatus

#19
20230269859
2023-08-24

ELECTRODE ARRANGEMENT

#20
20230254964
2023-08-10

CARTRIDGE FOR A LIQUID-COOLED PLASMA ARC TORCH

#21
20230092308
2023-03-23

Trigger module

#22
20220084796
2022-03-17

PLASMA SOURCE WITH FLOATING ELECTRODES

#23
20220064048
2022-03-03

SEALING GLASS AMPULES USING ELECTRICITY GENERATED PLASMA ARC

#24
20210410265
2021-12-30

System and method for generating and containing a plasma

#25
20210291290
2021-09-23

Systems and methods for determining characteristics of a workpiece in a plasma arc processing system

#26
20210274630
2021-09-02

Waveform detection of states and faults in plasma inverters

#27
20210217536
2021-07-15

System and method for generating plasma and sustaining plasma magnetic field

#28
20210205913
2021-07-08

Methods and apparatus for forming a pierce hole in a workpiece

#29
20210146469
2021-05-20

REVERSE POLARITY PLASMA ARC ROBOT ADDITIVE MANUFACTURING SYSTEM AND IMPLEMENTATION METHOD THEREFOR

#30
20210120658
2021-04-22

DC plasma torch electrical power design method and apparatus

#31
20210120657
2021-04-22

Plasma device, plasma generation method

#32
20210051775
2021-02-18

POWER SUPPLY FOR ELECTRIC ARC GAS HEATER

#33
20210023644
2021-01-28

Apparatus and methods associated with operating a plasma torch

#34
20200396821
2020-12-17

Plasma exposure device

#35
20200391239
2020-12-17

Plasma nozzle for a thermal spray gun and method of making and utilizing the same

#36
20200296818
2020-09-17

Plasma cutting method and torch for implementing same

#37
20200294769
2020-09-17

Plasma ignition circuit

#38
20200281066
2020-09-03

Connector in a plasma arc torch system

#39
20200196426
2020-06-18

Cartridge for a liquid-cooled plasma arc torch

#40
20200156175
2020-05-21

Numerical control plasma special-shaped cutting machine tool

#41
20200139479
2020-05-07

Controlling plasma arc torches and related systems and methods

#42
20200137867
2020-04-30

Automated Consumable Exchangers

#43
20200126772
2020-04-23

Adjustment method for filter unit and plasma processing apparatus

#44
20200100351
2020-03-26

Power source cooling apparatus, method, and configuration

#45
20200029415
2020-01-23

PLASMA DIRECTED ELECTRON BEAM PRODUCTION OF NITRIC OXIDE

#46
20200009678
2020-01-09

Welding apparatus and techniques for elevated pierce current

#47
20200009677
2020-01-09

CONTROLLING AND DELIVERING GASES IN A PLASMA ARC TORCH AND RELATED SYSTEMS AND METHODS

#48
20190357341
2019-11-21

Resonant network for plasma power supply and power supply device for plasma generator

#49
20190335574
2019-10-31

System and method for generating and containing a plasma

#50
20190314924
2019-10-17

Method and apparatus for automatically controlling gas pressure

#51
20190306965
2019-10-03

High power DC non transferred steam plasma torch system

#52
20190254153
2019-08-15

COMPOSITE DEVICE FOR TREATMENT

#53
20190223282
2019-07-18

Plasma device consumable part change detection

#54
20190223281
2019-07-18

PLASMA DEVICE CONSUMABLE PART CHANGE DETECTION

#55
20190210143
2019-07-11

Controlling and delivering gases in a plasma arc torch and related systems and methods

#56
20190090340
2019-03-21

Plasma processing system with consumable identification

#57
20180361497
2018-12-20

Welding apparatus and techniques for elevated pierce current

#58
20180281100
2018-10-04

PLASMA WELDING METHOD

#59
20180281099
2018-10-04

VARIABLE SWITCHING FREQUENCY POWER SUPPLY FOR PLASMA CUTTERS AND PLASMA ARC WELDERS

#60
20180243687
2018-08-30

GAS TREATMENT SYSTEM

#61
20180236588
2018-08-23

Enhanced piercing and operation of plasma cutting torch and system

#62
20180235037
2018-08-16

Power supply for electric arc gas heater

#63
20180233842
2018-08-16

Connection system suited to connect a plasma cutting torch to a generator

#64
20180228014
2018-08-09

CONTROL OF POWER SUPPLIED TO A PLASMA TORCH TO COMPENSATE FOR CHANGES AT AN ELECTRODE

#65
20180206322
2018-07-19

Disabling plasma arc torches and related systems and methods

#66
20180192504
2018-07-05

Double-frequency power-driven inductively coupled plasma torch, and apparatus for generating nanoparticle using same

#67
20180153027
2018-05-31

Liquid treatment apparatus including first electrode, second electrode, and first and second insulators surrounding lateral surface of first electrode

#68
20180063938
2018-03-01

Controlling gas flows to plasma arc torches and related systems and methods

#69
20180056430
2018-03-01

Operating plasma arc processing systems at reduced current and gas pressure levels and related systems and methods

#70
20180049304
2018-02-15

Microwave Plasma Treatment Apparatus

#71
20180049303
2018-02-15

Plasma torch with structure capable of performing reversed polarity/straight polarity operation

#72
20170353999
2017-12-07

Inline plasma-based system and method for thermal treatment of continuous products

#73
20170312863
2017-11-02

Cooling plasma cutting systems and related systems and methods

#74
20170291245
2017-10-12

Systems and methods for providing power for plasma arc cutting

#75
20170282275
2017-10-05

Impending thermal shutdown alert system and thermal shutdown process

#76
20170235053
2017-08-17

Fusion splicer

#77
20170203381
2017-07-20

Controlling and delivering gases in a plasma arc torch and related systems and methods

#78
20170156199
2017-06-01

PULSE WIDTH MODULATION CONTROL OF GAS FLOW FOR PLASMA CUTTING AND MARKING

#79
20170124360
2017-05-04

Methods for developing customer loyalty programs and related systems and devices

#80
20170095879
2017-04-06

Controlling plasma arc torches and related systems and methods

#81
20170095878
2017-04-06

Controlling plasma arc torches and related systems and methods

#82
20170095877
2017-04-06

Controlling plasma arc torches and related systems and methods

#83
20170042014
2017-02-09

Cartridge for a liquid-cooled plasma arc torch

#84
20170042013
2017-02-09

Cartridge for a liquid-cooled plasma arc torch

#85
20170042012
2017-02-09

Cartridge for a liquid-cooled plasma arc torch

#86
20170042011
2017-02-09

Cartridge for a liquid-cooled plasma arc torch

#87
20170034898
2017-02-02

DC PLASMA TORCH ELECTRICAL POWER DESIGN METHOD AND APPARATUS

#88
20170027050
2017-01-26

System and method for automated welding

#89
20170025257
2017-01-26

Arc management with voltage reversal and improved recovery

#90
20160381778
2016-12-29

Plasma cutting apparatus

#91
20160252916
2016-09-01

Apparatus and method for optimal selection of consumables in a material processing system

#92
20160157331
2016-06-02

Plasma generating apparatus and on-liquid melting method

#93
20160081176
2016-03-17

Reducing restart cycle time of a plasma blow back torch for improved marking

#94
20160067812
2016-03-10

Variable switching frequency power supply plasma cutters

#95
20160066405
2016-03-03

High-frequency power supply device

#96
20160066404
2016-03-03

High-frequency power supply device

#97
20150382441
2015-12-31

High power DC non transferred steam plasma torch system

#98
20150319834
2015-11-05

Method and control unit for operating a plasma generation apparatus

#99
20150282290
2015-10-01

Wide bandgap semiconductor based power supply assemblies for plasma operating systems and related methods and devices

#100
20150273617
2015-10-01

Power supply assembly for a plasma arc torch system

#101
20150249429
2015-09-03

Radio-frequency oscillation circuit

#102
20150245458
2015-08-27

Apparatus for generating plasma

#103
20150163892
2015-06-11

Method and apparatus for recycling shield gas in a plasma arc torch

#104
20150054405
2015-02-26

Plasma generating device

#105
20150028024
2015-01-29

Multi-stage compressor in a plasma cutter

#106
20140320015
2014-10-30

Reducing stored electrical energy in a lead inductance

#107
20140190944
2014-07-10

Method and apparatus for automatically controlling gas pressure for a plasma cutter

#108
20140131324
2014-05-15

Battery-controlled plasma arc torch system

#109
20140110381
2014-04-24

Thermal torch lead gas delivery methods and related systems and devices

#110
20140110380
2014-04-24

Plasma torch power circuit and cooling system

#111
20140070730
2014-03-13

Arc management with voltage reversal and improved recovery

#112
20130153545
2013-06-20

Plasma jet assembly and plasma brush including the same

#113
20130099932
2013-04-25

Surface treatment pace meter

#114
20120298635
2012-11-29

Plasma arc torch with secondary starting circuit and electrode

#115
20120223058
2012-09-06

NON-CONSUMABLE ELECTRODE TYPE ARC WELDING APPARATUS

#116
20120205243
2012-08-16

Power supply apparatus

#117
20120199563
2012-08-09

Method and apparatus for recycling shield gas in a plasma arc torch

#118
20120187841
2012-07-26

Device for generating a non-thermal atmospheric pressure plasma

#119
20120176723
2012-07-12

Mixer, matching device, ignition unit, and plasma generator

#120
20120138583
2012-06-07

Plasma ARC systems with cutting and marking functions

#121
20120032092
2012-02-09

Plasma igniter for an inductively coupled plasma ion source

#122
20110303645
2011-12-15

Power delivery unit, plasma spray system, and method of using plasma spray system

#123
20110234099
2011-09-29

Plasma generation apparatus

#124
20110198511
2011-08-18

Plasma igniter for an inductively coupled plasma ion source

#125
20110155703
2011-06-30

Universal input power supply utilizing parallel power modules

#126
20110155702
2011-06-30

Pulse width modulation control of gas flow for plasma cutting and marking

#127
20110140607
2011-06-16

System, method and apparatus for generating plasma

#128
20100300335
2010-12-02

AC plasma ejection gun, the method for supplying power to it and pulverized coal burner

#129
20100213903
2010-08-26

Reducing stored electrical energy in a lead inductance

#130
20100133241
2010-06-03

Method and device for plasma tap hole welding

#131
20100126940
2010-05-27

UNDERWATER PLASMA PROCESSING APPARATUS AND SYSTEM AND METHOD FOR PROCESSING BALLAST WATER OF SHIP USING THE SAME

#132
20100018954
2010-01-28

Enhanced piercing through current profiling

#133
20090295295
2009-12-03

Plasma reactor with high speed plasma load impedance tuning by modulation of different unmatched frequency sources

#134
20090266799
2009-10-29

Method for Operating a Steam Plasma Burner and Steam Cutting Device

#135
20090236325
2009-09-24

DUAL-CONDUCTOR WELDING GUN

#136
20090212027
2009-08-27

Binary Signal Detection

#137
20090159577
2009-06-25

Multi-stage compressor in a plasma cutter

#138
20090134128
2009-05-28

Electrical pulse circuit

#139
20090084768
2009-04-02

Plasma arc power supply and control method therefor

#140
20090078686
2009-03-26

Plasma arc ignition using a unipolar pulse

#141
20090008370
2009-01-08

Automatic consumable and torch length detection via pressure decay

#142
20080309402
2008-12-18

EXTINCTION OF PLASMA ARCS

#143
20080218264
2008-09-11

Class D amplifier arrangement

#144
20080210670
2008-09-04

METHOD AND APPARATUS FOR AUTOMATIC GAS CONTROL FOR A PLASMA ARCH TORCH

#145
20080169272
2008-07-17

Method and apparatus for automatic gas control for a plasma arc torch

#146
20080150664
2008-06-26

Power source for plasma device

#147
20080093347
2008-04-24

Plasma cutter, and plasma cutter power supply system

#148
20080083714
2008-04-10

Arc voltage estimation and use of arc voltage estimation in thermal processing systems

#149
20080083713
2008-04-10

Pilot arc circuit for a contact start plasma torch

#150
20080023451
2008-01-31

Method and apparatus for automatically controlling gas pressure for a plasma cutter

#151
20080023449
2008-01-31

METHOD AND APPARATUS FOR AUTOMATICALLY CONTROLLING GAS PRESSURE FOR A PLASMA CUTTER

#152
20080006614
2008-01-10

Method and apparatus for automatic gas control for a plasma arc torch

#153
20070235432
2007-10-11

Plasma torch with post flow control

#154
20070210837
2007-09-13

High voltage pulse power circuit

#155
20070176562
2007-08-02

Power supply circuit for plasma generation, plasma generating apparatus, plasma processing apparatus and plasma processed object

#156
20060186094
2006-08-24

Method for supplying a plasma torch with a gas, mixed gas, or gas mixture, comprising volumetric flow regulation in combination with pressure regulation; and arrangement for carrying out said method

#157
20060163220
2006-07-27

Automatic gas control for a plasma arc torch

#158
20060163216
2006-07-27

Automatic gas control for a plasma arc torch

#159
20060151446
2006-07-13

Method and system of conserving plasma torch consumable

#160
20060151445
2006-07-13

Automated determination of plasma torch operating mode

#161
20060057301
2006-03-16

Plasma spraying apparatus and also a method for monitoring the condition of a plasma apparatus

#162
20060054601
2006-03-16

DC-DC converter with over-voltage protection circuit

#163
20060049152
2006-03-09

METHOD AND APPARATUS OF COORDINATING OPERATIONAL FEEDBACK IN A PLASMA CUTTER

#164
20060017388
2006-01-26

Radio frequency power generator

#165
20060006154
2006-01-12

Plasma torch life duration detecting device

#166
20050284849
2005-12-29

Systems and methods for controlling pilot arc current in an arc cutting or welding machine

#167
20050173384
2005-08-11

Inductive thermal plasma torch

#168
20050145611
2005-07-07

Power source for plasma device

#169
20050098544
2005-05-12

Plasma arc torch trigger system

#170
20050077273
2005-04-14

Method and apparatus for localized control of a plasma cutter

#171
20050062430
2005-03-24

Method and apparatus for initiating a pulsed arc discharge for nanopowder synthesis

#172
20050061784
2005-03-24

Method and apparatus for autodetection of plasma torch consumables

#173
20050045599
2005-03-03

Method and apparatus of coordinating operational feedback in a plasma cutter

#174
16893182
2024-05-07

System and method for plasma generation of nitric oxide

#175
14989809
2016-10-18

Arc atmospheric pressure plasma device