ClassID:

43148

B23K20/121 - CPC Classification

Classification description:

Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding Control circuits therefor

Recent Application in this class:
#1
20260138206
2026-05-21

Automatic Adaptive Control of Friction Stir Welding

#2
20260108976
2026-04-23

CONTROL MECHANISMS, SPINDLE SYSTEMS, AND SPOT WELDING APPARATUSES

#3
20260102842
2026-04-16

BONDING STRENGTH INSPECTION APPARATUS AND BONDING SYSTEM

#4
20260084232
2026-03-26

APPARATUS AND RELATED METHODS FOR FRICTION STIR ADDITIVE MANUFACTURING REPAIR OF MATERIALS

#5
20250353103
2025-11-20

DISSIMILAR MATERIAL SOLID PHASE BONDING METHOD, AND DISSIMILAR MATERIAL SOLID PHASE BONDED STRUCTURE

#6
20240066622
2024-02-29

FRICTION STIR WELDING ATTACHMENT, FRICTION STIR WELDING HEAD, AND FRICTION STIR WELDING DEVICE

#7
20240001477
2024-01-04

AN ELECTRIC PORTABLE FRICTION WELDING SYSTEM AND ENHANCED METHOD OF OPERATION

#8
20230130962
2023-04-27

Processing route to design and manufacture highly configurable non-magnetic down-hole sensor collars

#9
20220324051
2022-10-13

ADAPTIVE FRICTION ELEMENT WELD PROCESS AND CONTROL

#10
20220212281
2022-07-07

Method and apparatus for friction current joining

#11
20220126393
2022-04-28

Machine tool

#12
20210308785
2021-10-07

System for and method of linking by friction welding a first piece of steel to a second piece of steel with use of Ni-based alloys adapter

#13
20210291294
2021-09-23

Machine tool

#14
20210078100
2021-03-18

Linear Friction Welding Component with Shaped Charge

#15
20210023649
2021-01-28

FRICTION WELDING APPARATUS AND METHOD OF OPERATING THE SAME

#16
20200391323
2020-12-17

Joining method

#17
20200391322
2020-12-17

Joining method

#18
20200269348
2020-08-27

Linear friction welding machine

#19
20200086421
2020-03-19

Linear friction welding system with pre-heating

#20
20200023458
2020-01-23

Friction pressure welding method

#21
20190247951
2019-08-15

Rack and method for producing a rack for a steering gear of a motor vehicle

#22
20190168335
2019-06-06

Friction welding method and friction welding apparatus

#23
20190162261
2019-05-30

Brake disc and method of producing the same

#24
20190099831
2019-04-04

Apparatus for forming a friction weld

#25
20180222000
2018-08-09

FRICTION SPOT SEALING OF A DEFECT AREA IN A WORKPIECE

#26
20180193943
2018-07-12

Method and device for detecting the mechanical forces at the welding pin tip during friction stir welding

#27
20180147656
2018-05-31

Systems and methods for determining efficiency of friction welding processes

#28
20180053664
2018-02-22

Bonding device for chip on film and display panel and bonding method for the same

#29
20180043467
2018-02-15

SYSTEM FOR AND METHOD OF LINKING BY FRICTION WELDING A FIRST PIECE OF STEEL TO A SECOND PIECE OF STEEL WITH USE OF NI-BASED ALLOYS ADAPTER

#30
20180036834
2018-02-08

METHOD AND APPARATUS FOR FRICTION WELDING

#31
20170326667
2017-11-16

Pressure welding device and pressure welding method

#32
20150298249
2015-10-22

Pressure welding device with a measuring device, measuring in a contactless manner, for detecting the surface quality, the true running and/or the axial runout in a front welding area

#33
20150174696
2015-06-25

Aluminum alloy propeller shaft and friction welding process thereof

#34
20150136304
2015-05-21

Method of friction welding and apparatus of friction welding

#35
20140018178
2014-01-16

Aluminum alloy propeller shaft and friction welding process thereof

#36
20130320070
2013-12-05

Friction stir welding apparatus and method

#37
20120261457
2012-10-18

Friction stir welding apparatus and method

#38
20120012644
2012-01-19

Determining the quality of a friction weld using a double differential

#39
20120012643
2012-01-19

Process control method

#40
20120012241
2012-01-19

Friction weld vibration quality monitoring system and methods

#41
20110073258
2011-03-31

Apparatus for connecting at least two plates

#42
20110056629
2011-03-10

Friction welding apparatus

#43
20100270359
2010-10-28

DEVELOPMENTS IN OR RELATING TO LINEAR FRICTION WELDING

#44
20100206861
2010-08-19

Pressure welding machine and pressure welding method

#45
20100163601
2010-07-01

FRICTION WELD VIBRATION QUALITY MONITORING SYSTEM

#46
20100040900
2010-02-18

Friction-welded part and method of friction welding

#47
20090265933
2009-10-29

Method for the manufacture of turbine or compressor rotors for gas-turbine engines

#48
20090224024
2009-09-10

Friction welding methods and friction welding apparatuses

#49
20090193910
2009-08-06

Method for measuring loads on a friction stir welding tool

#50
20080243290
2008-10-02

Method and apparatus for monitoring the quality of a machining operation

#51
20080127751
2008-06-05

Apparatus and method for measuring loads on a friction stir welding tool

#52
20070181639
2007-08-09

Pressure welding machine and pressure welding method

#53
20070164078
2007-07-19

Spin welding device

#54
20070131735
2007-06-14

Method and arrangement for friction welding

#55
20060196916
2006-09-07

Method and device for pressure welding, which takes into account deviations in the length of workpieces

#56
20060049235
2006-03-09

Method and system of inertia friction welding

#57
20060043155
2006-03-02

Method and system of friction welding

#58
20060037993
2006-02-23

Process and apparatus for friction welding

#59
20050218192
2005-10-06

Method and system of inertia friction welding