ClassID:

201761

H01F38/085 - CPC Classification

Classification description:

Adaptations of transformers or inductances for specific applications or functions; High-leakage transformers or inductances Welding transformers

Recent Application in this class:
#1
20220293325
2022-09-15

A WELDING TRANSFORMER

#2
20220044867
2022-02-10

High-Frequency Transformers using Solid Wire for Welding-Type Power Supplies

#3
20210043374
2021-02-11

INSULATED WINDING WIRE TRANSFORMER FOR WELDING-TYPE POWER SUPPLIES

#4
20200402710
2020-12-24

WELDING TRANSFORMER

#5
20190358728
2019-11-28

Method and Apparatus for Providing Auxiliary and Welding Type Power With Thermal Protection

#6
20190103218
2019-04-04

High-frequency transformers using solid wire for welding-type power supplies

#7
20170173725
2017-06-22

Converter circuit

#8
20160322158
2016-11-03

Method for producing a heavy-current transformer

#9
20160133378
2016-05-12

Welding type power supply with weld transformer

#10
20160129520
2016-05-12

Method and apparatus for providing auxiliary and welding type power with thermal protection

#11
20160129519
2016-05-12

Welding type power supply with transformer

#12
20140360994
2014-12-11

Welding transformer and welding transformer assembly and welding apparatus

#13
20140313679
2014-10-23

Heavy-current transformer having a multi-point contacting, transformer element, contact plate and secondary winding, and method for producing such a heavy-current transformer

#14
20140301122
2014-10-09

Power source and method for cooling such a power source

#15
20130008877
2013-01-10

Resistance welding high frequency transformer and spot welding machine

#16
20110260711
2011-10-27

Method and device for determining a direct current and resistance welding device

#17
20100156585
2010-06-24

Semiconductor module for connecting to a transformer winding, and transformer arrangement

#18
20100156583
2010-06-24

Winding element for a coil winding and transformer arrangement

#19
20100039206
2010-02-18

Method and device for operating a transformer

#20
20080150664
2008-06-26

Power source for plasma device

#21
20060158303
2006-07-20

Snap-together choke and transformer assembly for an electric arc welder

#22
20060131300
2006-06-22

Method for performing a magnetic pulse welding operation

#23
20060076329
2006-04-13

Transformer module for a welder

#24
20050218134
2005-10-06

Output choke for D.C. welder and method of using same

#25
20050145611
2005-07-07

Power source for plasma device

#26
20050006367
2005-01-13

Power source for high current welding

#27
20050006366
2005-01-13

Transformer module for a welder