B23K11/0873 - CPC Classification Index

#1

20250250660

2025-08-07

HOT-ROLLED STEEL SHEET AND METHOD OF PRODUCING SAME, AND ELECTRIC RESISTANCE WELDED STEEL PIPE OR TUBE AND METHOD OF PRODUCING SAME

#2

20250178116

2025-06-05

ELECTRIC RESISTANCE WELDED PIPE OR TUBE AND METHOD OF PRODUCING SAME

#3

20240082900

2024-03-14

WELDING MONITORING APPARATUS AND WELDING MONITORING METHOD

#4

20230079323

2023-03-16

Electric resistance welded steel pipe or tube

#5

20220219257

2022-07-14

Article comprising additively manufactured metal portions

#6

20220186331

2022-06-16

ELECTRIC RESISTANCE-WELDED STEEL TUBE FOR HOLLOW STABILIZER, HOLLOW STABILIZER, AND MANUFACTURING METHODS OF SAME

#7

20220097163

2022-03-31

METHOD FOR MONITORING WELDING OF ELECTRIC RESISTANCE WELDED STEEL PIPE, METHOD FOR MANUFACTURING ELECTRIC RESISTANCE WELDED STEEL PIPE, DEVICE FOR MONITORING WELDING OF ELECTRIC RESISTANCE WELDED STEEL PIPE, AND DEVICE FOR MANUFACTURING ELECTRIC RESISTANCE WELDED STEEL PIPE

#8

20210316387

2021-10-14

Article comprising additively manufactured metal portions

#9

20210310519

2021-10-07

Method of forming a bearing cage segment including a joint edge in the region of a to-be-formed bridge

#10

20210099098

2021-04-01

High frequency power supply system with closely regulated output for heating a workpiece

#11

20210071783

2021-03-11

METHOD OF PREPARING A PIPE-SECTION

#12

20200391318

2020-12-17

ELECTRIC RESISTANCE WELDED STEEL PIPE MANUFACTURING DEVICE AND ELECTRIC RESISTANCE WELDED STEEL PIPE MANUFACTURING METHOD

#13

20200332381

2020-10-22

Electric resistance welded steel pipe or tube and production method for electric resistance welded steel pipe or tube

#14

20200246906

2020-08-06

Welding operation monitoring system and welding operation monitoring method

#15

20200224813

2020-07-16

Electric-resistance-welded stainless clad steel pipe or tube

#16

20190255646

2019-08-22

Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same

#17

20190219218

2019-07-18

Method of producing electric-resistance-welded stainless clad steel pipe or tube

#18

20190184437

2019-06-20

Clad welded pipe or tube and method of producing same

#19

20180243809

2018-08-30

ELECTRIC RESISTANCE WELDED STAINLESS CLAD STEEL PIPE AND METHOD OF MANUFACTURING THE SAME

#20

20180105893

2018-04-19

High strength electric resistance welded steel pipe and method for producing high strength electric resistance welded steel pipe

#21

20180104763

2018-04-19

Method of monitoring manufacturing status of electric resistance welded pipe, device for monitoring manufacturing status of electric resistance welded pipe, and method of manufacturing electric resistance welded pipe

#22

20180036830

2018-02-08

Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same

#23

20170362678

2017-12-21

High strength thick-walled electric-resistance-welded steel pipe for deep-well conductor casing, method for manufacturing the same, and high-strength thick-walled conductor casing for deep wells

#24

20170356071

2017-12-14

Electric resistance welded steel pipe and manufacturing method therefor

#25

20170307111

2017-10-26

STEEL STRIP FOR ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE, ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE, AND PROCESS FOR PRODUCING STEEL STRIP FOR ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE

#26

20170179841

2017-06-22

High frequency power supply system with closely regulated output for heating a workpiece

#27

20160350902

2016-12-01

Welded state monitoring system and welded state monitoring method

#28

20160319404

2016-11-03

Steel pipe

#29

20160230241

2016-08-11

Electric resistance welded steel pipe for oil well

#30

20160193641

2016-07-07

Electric resistance welded steel pipe excellent in weld zone and method of production of same

#31

20160160311

2016-06-09

Method for forming blank and method for determining preforming shape

#32

20160153063

2016-06-02

Heavy wall electric resistance welded steel pipe for line pipe and method for manufacturing the same

#33

20160045974

2016-02-18

OPEN-PIPE WELD SHIELDING SYSTEM FOR ELECTRIC RESISTANCE WELDED STEEL PIPE OR TUBE

#34

20150343507

2015-12-03

BARREL TANK SEAM WELDER SYSTEM

#35

20150251268

2015-09-10

Electric resistance welded steel pipe or steel tube having excellent HIC resistance and low-temperature toughness in electric resistance welded part, and method for manufacturing the same

#36

20150219249

2015-08-06

Electric resistance welded steel pipe

#37

20150203933

2015-07-23

High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges

#38

20150134292

2015-05-14

Heat energy sensing and analysis for welding processes

#39

20150129561

2015-05-14

Roller head for a resistance welding machine

#40

20150090697

2015-04-02

Electric resistance welding operation management device, electric resistance welding operation management method, and computer program

#41

20150083266

2015-03-26

High-strength thick-walled electric resistance welded steel pipe having excellent low-temperature toughness and method of manufacturing the same

#42

20150068638

2015-03-12

Low-yield ratio high-strength electric resistance welded steel pipe, steel strip for electric resistance welded steel pipes, and methods of manufacturing them

#43

20120325805

2012-12-27

Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding

#44

20120298648

2012-11-29

CRIMPING METHOD AND CRIMPING SYSTEM

#45

20120292157

2012-11-22

Conveying apparatus for objects and welding apparatus with such a conveying apparatus

#46

20110308660

2011-12-22

Dual seam electric resistance welded tubes

#47

20110247384

2011-10-13

COLD ROLL FORMING APPARATUS

#48

20110162763

2011-07-07

Method for Producing Copper-Clad Aluminum Wire

#49

20100232678

2010-09-16

System and method for monitoring of welding state

#50

20100180654

2010-07-22

COLD ROLL FORMING APPARATUS

#51

20100104888

2010-04-29

Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe

#52

20100059484

2010-03-11

Method and equipment for manufacturing electric resistance welded steel pipe

#53

20080290140

2008-11-27

Welding Hollow Flange Members

#54

20080289390

2008-11-27

Cold roll forming apparatus

#55

20080226491

2008-09-18

Automobile high-strength electric resistance welded steel pipe with excellent low-temperature impact properties and method of manufacturing the same

#56

20080087711

2008-04-17

Conveying apparatus for objects and welding apparatus with such a conveying apparatus

#57

20060179769

2006-08-17

Method and apparatus for making tubes

#58

20060150388

2006-07-13

Metal foil tube and method and apparatus for production thereof