ClassID:

42930

B23K9/1075 - CPC Classification

Classification description:

Arc welding or cutting; Other electric circuits therefor; Protective circuits; Remote controls; Power supply Parallel power supply, i.e. multiple power supplies or multiple inverters supplying a single arc or welding current

Recent Application in this class:
#1
20250281991
2025-09-11

HYBRID ARC WELDING SYSTEM

#2
20250229354
2025-07-17

WELDING POWER SUPPLY

#3
20250170666
2025-05-29

POWER ON SWITCH FUNCTION FOR HYBRID-POWERED WELDING POWER SOURCE

#4
20240399486
2024-12-05

HYBRID WELDING SYSTEMS AND HYBRID WELDING POWER SUPPLIES

#5
20240399485
2024-12-05

WELDING-TYPE POWER SUPPLIES AND SYSTEMS HAVING MULTIPLE SOURCES OF INPUT POWER

#6
20240278348
2024-08-22

HYBRID WELDING SYSTEMS AND HYBRID WELDING POWER SUPPLIES

#7
20240181550
2024-06-06

SYSTEMS AND METHODS TO HAVE MULTIPLE WELDING-TYPE POWER SUPPLIES CONCURRENTLY SET UP

#8
20240100617
2024-03-28

HYBRID POWER WELDING SYSTEM

#9
20240097543
2024-03-21

Methods and apparatus to control engine speed of a power system

#10
20240009750
2024-01-11

METHODS AND SYSTEMS FOR POWERING AND/OR CHARGING AUXILIARY SYSTEMS ON VEHICLES

#11
20230390852
2023-12-07

Welding Power Supply With Half Bridge

#12
20230271265
2023-08-31

Method for synchronizing welding currents, and welding current source and system comprising at least two welding current sources

#13
20220410301
2022-12-29

SYSTEMS AND METHODS PROVIDING COORDINATED DUAL POWER OUTPUTS SUPPORTING A SAME WELDING OR AUXILIARY POWER PROCESS

#14
20220402062
2022-12-22

SYSTEMS AND METHODS PROVIDING COORDINATED DUAL POWER OUTPUTS SUPPORTING A SAME WELDING OR AUXILIARY POWER PROCESS

#15
20220274198
2022-09-01

Braking energy recovery circuit

#16
20220258270
2022-08-18

RECONFIGURABLE NETWORKED ENERGY STORAGE MODULE FOR UTILITY POWER SAVINGS IN A WELDING OR CUTTING MACHINE

#17
20220161348
2022-05-26

WELDING METHOD AND ASSEMBLY WITH MEASUREMENT VALUE SYNCHRONIZATION

#18
20210086284
2021-03-25

SYSTEM AND METHOD FOR PREVENTING HIGH VOLTAGE ON A LOW VOLTAGE OUTPUT IN A WELDING-TYPE SYSTEM

#19
20210060683
2021-03-04

Welding system having an auxiliary charger

#20
20210060680
2021-03-04

SYSTEMS AND METHODS PROVIDING COORDINATED DUAL POWER OUTPUTS SUPPORTING A SAME WELDING OR AUXILIARY POWER PROCESS

#21
20210039187
2021-02-11

ONE-SIDE SUBMERGED ARC WELDING METHOD AND ONE-SIDE SUBMERGED ARC WELDING DEVICE

#22
20210039186
2021-02-11

Method and apparatus for providing welding type power using double forward converter

#23
20210016384
2021-01-21

METHODS AND SYSTEMS USING A MULTI-USAGE POWER SUPPLY FOR WELDING AND HEATING

#24
20200384566
2020-12-10

Constant current control systems and methods

#25
20200376582
2020-12-03

Modular direct current power source

#26
20200338659
2020-10-29

Welding system and method of welding

#27
20200130092
2020-04-30

Welding power supply with half bridge

#28
20200122265
2020-04-23

Power supply system, power supply device, and control method

#29
20200101555
2020-04-02

Systems, methods, and apparatus for control of wire preheating in welding-type systems

#30
20200070272
2020-03-05

Systems and methods for wire surface oxidation removal and/or wire preheating using a tungsten arc

#31
20200067414
2020-02-27

Double-power-supply switching control system for a welding machine and method

#32
20200028425
2020-01-23

Methods and apparatus to control engine speed of a power system

#33
20190314920
2019-10-17

Smart grid welding system

#34
20190193183
2019-06-27

High reliability modular welding power supply system

#35
20190168332
2019-06-06

System and method for preventing high voltage on a low voltage output in a welding-type system

#36
20190105724
2019-04-11

Power supply system, power supply device, and control method

#37
20190084072
2019-03-21

Smart grid welding system

#38
20190076951
2019-03-14

Methods and apparatus for automatic control of a welding-type power supply

#39
20190039163
2019-02-07

Power supply system and power supply device

#40
20190015922
2019-01-17

Arc welding system and wire feeding device

#41
20180304398
2018-10-25

Power supply system for a mobile resistance welding machine

#42
20180207743
2018-07-26

Hybrid welding-type power source

#43
20180117699
2018-05-03

Welding system and method of welding

#44
20180036823
2018-02-08

Dual battery hybrid engine drive welding power supply

#45
20170246700
2017-08-31

Control panels for power systems

#46
20170189986
2017-07-06

Welding power supply with half bridge

#47
20170189985
2017-07-06

Constant current control systems and methods

#48
20170189983
2017-07-06

Welding power supply with interleaved inverter circuitry

#49
20170036291
2017-02-09

Engine drive welder and methods and systems of controlling the same

#50
20170028501
2017-02-02

Welding System Having Multiple Weld Outputs

#51
20160325373
2016-11-10

Hybrid welding control technique

#52
20160303678
2016-10-20

Method and apparatus for providing welding type power

#53
20160303677
2016-10-20

Hybrid welding supply

#54
20160184917
2016-06-30

Power source with rechargeable energy storage device

#55
20150375329
2015-12-31

Modular direct current power source

#56
20150306692
2015-10-29

Smart grid welding system

#57
20150201581
2015-07-23

Cage for laboratory animal

#58
20150028009
2015-01-29

Method for controlling neck detection for welding power supply

#59
20150014290
2015-01-15

Welding system and method of welding

#60
20140332516
2014-11-13

Power source with rechargeable energy storage device

#61
20140263245
2014-09-18

Welding system having an auxiliary charger

#62
20140263238
2014-09-18

Hybrid welding control technique

#63
20140263235
2014-09-18

Method and apparatus for providing welding-type power and auxiliary power

#64
20140246412
2014-09-04

System and method for auxiliary power generator with selectable frequency

#65
20140238966
2014-08-28

Multi-operator engine driven welder system

#66
20140083988
2014-03-27

Systems and methods providing controlled AC arc welding processes

#67
20140083987
2014-03-27

Systems and methods providing controlled AC arc welding processes

#68
20140021179
2014-01-23

Method and apparatus for providing welding type power

#69
20120223058
2012-09-06

NON-CONSUMABLE ELECTRODE TYPE ARC WELDING APPARATUS

#70
20120074116
2012-03-29

Hybrid powered welder

#71
20110309054
2011-12-22

Modular direct current power source

#72
20110180522
2011-07-28

Welding system having a power grid interface

#73
20110155703
2011-06-30

Universal input power supply utilizing parallel power modules

#74
20100187210
2010-07-29

Hybrid welding-type power source

#75
20100155384
2010-06-24

Hybrid welder

#76
20070007265
2007-01-11

Electric arc welder

#77
20060175313
2006-08-10

Modular power source for electric ARC welding and output chopper

#78
20060037953
2006-02-23

Hybrid powered welder

#79
20060037952
2006-02-23

Electric arc welder

#80
20060027548
2006-02-09

Fuel saving engine driven welding-type device and method of use

#81
20050263514
2005-12-01

Fuel saving engine driven welding-type device and method of use

#82
20050127048
2005-06-16

Power supply for electric arc welding

#83
20050023253
2005-02-03

Electric arc welding system

#84
17153986
2024-05-21

System for material deposition on a surface