ClassID:

43151

B23K20/1225 - 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 using a non-consumable tool, e.g. friction stir welding Particular aspects of welding with a non-consumable tool

Recent Application in this class:
#1
20260145265
2026-05-28

Method of Joining Conductors by Friction Stir Welding

#2
20260084233
2026-03-26

FRICTION STIR WELDING METHOD AND FRICTION STIR WELDING APPARATUS

#3
20260054319
2026-02-26

METHOD FOR MANUFACTURING JOINED BODY

#4
20260005356
2026-01-01

METHOD OF MANUFACTURING JOINED BODY, JOINED BODY, AND ALUMINUM HOLLOW MEMBER FOR BATTERY CASE

#5
20250242430
2025-07-31

WELDING METHOD OF MEMBERS

#6
20250187108
2025-06-12

WIRE-FEED FRICTION STIR ADDITIVE MANUFACTURING SYSTEMS, DEVICES, AND METHODS

#7
20250187107
2025-06-12

SPINDLES FOR FRICTION STIR ADDITIVE MANUFACTURING SYSTEMS, DEVICES, AND METHODS

#8
20250187104
2025-06-12

NOSECONES FOR FRICTION STIR ADDITIVE MANUFACTURING SYSTEMS, DEVICES, AND METHODS

#9
20250153265
2025-05-15

Method and apparatus for performing double sided refill friction stir spot welding

#10
20250153264
2025-05-15

FRICTION STIR WELDING METHOD

#11
20250144741
2025-05-08

SOLID-PHASE MOLDING PROCESSING METHOD

#12
20250144739
2025-05-08

FRICTION STIR TOOL COOLING METHOD

#13
20250135573
2025-05-01

ROTATING MEMBER FOR FRICTION STIRRING, WELDING APPARATUS, AND WELDING METHOD

#14
20250065438
2025-02-27

FRICTION STIR SPOT WELDED JOINT AND PRODUCTION METHOD THEREFOR, AND FRICTION STIR SPOT WELDING METHOD

#15
20240399493
2024-12-05

FRICTION PRESSURE WELDING OF SIMILAR AND/OR DISSIMILAR MATERIALS

#16
20240253150
2024-08-01

METHOD FOR MANUFACTURING JOINED BODY, AND JOINING DEVICE

#17
20240173791
2024-05-30

FRICTION STIR WELDING SYSTEMS AND METHODS

#18
20240009753
2024-01-11

METHOD FOR MANUFACTURING LIQUID-COOLED JACKET

#19
20240001479
2024-01-04

Rotary tool, joining device, and joining method

#20
20230249279
2023-08-10

Work interface accessory, work kit and friction stir welding method

#21
20230150053
2023-05-18

FRICTION STIR WELDING METHOD AND FRICTION STIR WELDING APPARATUS

#22
20230078463
2023-03-16

SELF-FILLING FRICTION STIR PROCESSING TOOL AND METHODS OF USING THE SAME

#23
20230052271
2023-02-16

Friction stir welding process

#24
20230013259
2023-01-19

BONDING DEVICE AND BONDING METHOD FOR FRICTION STIR BONDING AND RESISTANCE WELDING

#25
20220371119
2022-11-24

Double-sided friction stir welding method, methods for producing cold-rolled steel strip and coated steel strip, double-sided friction stir welding apparatus, and facilities for producing cold-rolled steel strip and coated steel strip

#26
20220324052
2022-10-13

Holding jig and holding jig set for double-acting friction stir spot welding, double-acting friction stir spot welding device, and double-acting friction stir spot welding method

#27
20220314362
2022-10-06

Welded structure and friction stir welding device

#28
20220234133
2022-07-28

FIXING A STRIP END SEGMENT OF A METAL STRIP COIL TO AN ADJACENT STRIP WINDING

#29
20220226927
2022-07-21

Method for producing hollow container

#30
20220134470
2022-05-05

Tool for friction stir welding and method for producing panels

#31
20210268599
2021-09-02

Method for manufacturing liquid-cooled jacket

#32
20210205918
2021-07-08

Method for low-temperature joining of metal materials, and joint structure

#33
20210170520
2021-06-10

Head piece, welding tool, and welding method

#34
20210162531
2021-06-03

Joining method and method for manufacturing a rolled composite material

#35
20210146473
2021-05-20

Method for producing liquid-cooled jacket

#36
20210023650
2021-01-28

Rotating tool for double-sided friction stir welding, double-sided friction stir welding apparatus, and double-sided friction stir welding method

#37
20200353557
2020-11-12

Method for manufacturing liquid-cooling jacket

#38
20200276666
2020-09-03

Refill friction stir spot welding method, pressing tool set, and refill friction stir spot welding device

#39
20200254556
2020-08-13

Method for manufacturing liquid cooling jacket

#40
20200206839
2020-07-02

Double-acting friction stir spot welding method and apparatus

#41
20200206838
2020-07-02

Holding jig and holding jig set for double-acting friction stir spot welding, double-acting friction stir spot welding device, and double-acting friction stir spot welding method

#42
20200147718
2020-05-14

LIQUID COOLING JACKET MANUFACTURING METHOD

#43
20200101559
2020-04-02

Repairing holes created in components during bobbin friction stir welding

#44
20190234186
2019-08-01

System and methodology for joining components

#45
20190126384
2019-05-02

Method and apparatus for joining components with friction pins

#46
20190111513
2019-04-18

Repairing holes created in components during bobbin friction stir welding

#47
20190076969
2019-03-14

Friction stir welding flash and burr control

#48
20190076957
2019-03-14

Friction stir welding tool, related methods, and assemblies formed to include friction stir weld

#49
20190030640
2019-01-31

Pin tool assemblies for friction stir welding and apparatus and methods including the same

#50
20180243858
2018-08-30

METHOD FOR MANUFACTURING LIQUID-COOLED JACKET, AND LIQUID-COOLED JACKET

#51
20180221985
2018-08-09

Joined incompatible metallic parts and method of joining

#52
20180207746
2018-07-26

FRICTION STIR WELDING METHOD

#53
20180043466
2018-02-15

Friction stir welding apparatus for structural steel

#54
20180043465
2018-02-15

JOINING METHOD AND METHOD FOR MANUFACTURING COMPOSITE ROLLED MATERIAL

#55
20170246707
2017-08-31

FRICTION WELDING

#56
20170114202
2017-04-27

Method of manufacturing polystyrene foam with polymer processing additives

#57
20170008121
2017-01-12

ENHANCED FRICTION-STIR-WELDING JOINT STRENGTH BETWEEN STEEL AND ALUMINUM WITH SURFACE COATING AND PREFORMED LOCAL TEXTURE

#58
20160243645
2016-08-25

Friction stir processing method for a workpiece having surface coating

#59
20160221117
2016-08-04

Friction stir welding method for steel sheets and method of manufacturing joint

#60
20160214204
2016-07-28

Pin tool assemblies for friction stir welding and apparatus and methods including the same

#61
20160136754
2016-05-19

Friction stir weld plugs and methods of using thereof

#62
20160059345
2016-03-03

Friction-stir welding tool, friction stir welding device, and method for manufacturing welding material

#63
20160059344
2016-03-03

FRICTION STIR WELDING DEVICE

#64
20160023301
2016-01-28

Shaped welding

#65
20150375335
2015-12-31

Hybrid friction stir welding for dissimilar materials through electro-plastic effect

#66
20150328714
2015-11-19

Backing arrangement for use in friction stir welding

#67
20150290739
2015-10-15

Friction stir welding method

#68
20150239062
2015-08-27

Inertia friction disk welding

#69
20150231733
2015-08-20

Friction stir weld plugs and methods of using thereof

#70
20150209895
2015-07-30

Apparatus for friction stir welding

#71
20150209893
2015-07-30

Joining method

#72
20150183053
2015-07-02

Process for spot-joining stacked metal foils

#73
20150102087
2015-04-16

Method and device for improving the quality of the weld seam in friction stir welding

#74
20150041521
2015-02-12

METHOD OF FRICTION-STIR WELDING OF STEEL SHEET

#75
20140367452
2014-12-18

METHOD OF FRICTION STIR WELDING

#76
20140361069
2014-12-11

Friction stir processing tool with different shoulder regions

#77
20140231490
2014-08-21

Friction stir welding apparatus comprising slide plates

#78
20140187657
2014-07-03

METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES

#79
20140151438
2014-06-05

APPARATUS TO JOIN TUBULARS USING FRICTION STIR JOINING

#80
20140134325
2014-05-15

Friction stir fabrication

#81
20140119814
2014-05-01

Friction stir welding tool with shoulders having different areas; methods using such tool; product welded with such tool

#82
20140076957
2014-03-20

Friction-stir joining method

#83
20140034394
2014-02-06

Ball hole welding using the friction stir welding (FSW) process

#84
20140004375
2014-01-02

Friction stir welding method for metal material and metal material welded body obtained thereby

#85
20130320070
2013-12-05

Friction stir welding apparatus and method

#86
20130221069
2013-08-29

Friction stir welding apparatus

#87
20130078429
2013-03-28

Friction stir welding member

#88
20120325897
2012-12-27

Joining method and friction stir welding method

#89
20120325896
2012-12-27

Joining method and friction stir welding method

#90
20120279442
2012-11-08

Self-reacting friction stir welding tool with the ability to add filler material

#91
20120273555
2012-11-01

FRICTION STIRRING AND ITS APPLICATION TO DRILL BITS, OIL FIELD AND MINING TOOLS, AND COMPONENTS IN OTHER INDUSTRIAL APPLICATIONS

#92
20120261457
2012-10-18

Friction stir welding apparatus and method

#93
20120227546
2012-09-13

SOLID STATE PROCESSING OF HAND-HELD KNIFE BLADES TO IMPROVE BLADE PERFORMANCE

#94
20110180587
2011-07-28

FRICTION STIR WELDING TOOL

#95
20110174866
2011-07-21

High-speed friction stir welding

#96
20100285207
2010-11-11

Friction stir fabrication

#97
20100252614
2010-10-07

Method for welding metal material

#98
20100252171
2010-10-07

Friction Stir Method for Joining Materials Having Different Thicknesses

#99
20100252170
2010-10-07

Friction Stir Method for Joining Complex Shapes

#100
20100252169
2010-10-07

Friction stir method for forming structures and materials

#101
20100170986
2010-07-08

Aircraft structural element located at the interface between a wing and the fuselage

#102
20100167083
2010-07-01

Composite material and producing method thereof

#103
20100136369
2010-06-03

High strength and toughness steel structures by friction stir welding

#104
20100101768
2010-04-29

Heat transfer plate and method of manufacturing the same

#105
20100096438
2010-04-22

Joining method and friction stir welding method

#106
20100078224
2010-04-01

BALL HOLE WELDING USING THE FRICTION STIR WELDING (FSW) PROCESS

#107
20100071961
2010-03-25

BIT LEG OUTER SURFACE PROCESSING USING FRICTION STIR WELDING (FSW)

#108
20100065092
2010-03-18

Friction stir welding tool cleaning apparatus

#109
20090236403
2009-09-24

Multiple pass and multiple layer friction stir welding and material enhancement processes

#110
20090188109
2009-07-30

Friction stir welded bladder fuel tank

#111
20090123778
2009-05-14

Friction stir method and a pair of workpieces joined by such method

#112
20090113689
2009-05-07

Apparatus and method for effecting pin-to-shoulder tool separation for a friction stir welding pin tool

#113
20090090700
2009-04-09

JOINING METHOD

#114
20080308217
2008-12-18

Method for producing hemmed joint structure

#115
20080302539
2008-12-11

METHOD AND APPARATUS FOR LENGTHENING A PIPE STRING AND INSTALLING A PIPE STRING IN A BOREHOLE

#116
20080277036
2008-11-13

METHOD FOR MANUFACTURING TANKS

#117
20080257936
2008-10-23

MULTI-SECTION FACED SHOULDERLESS RETRACTABLE VARIABLE PENETRATION FRICTION STIR WELDING TOOL

#118
20080245517
2008-10-09

Heat exchanger plate and manufacturing method therefor

#119
20080245516
2008-10-09

Heat exchanger plate

#120
20080237305
2008-10-02

High-Capacity Air Cargo Pallet Using Friction Stir Welding

#121
20080235946
2008-10-02

LINK ROD MANUFACTURING METHOD

#122
20080230584
2008-09-25

Method for Manufacturing a Workpiece by Friction Welding to Reduce the Occurrence of Abnormal Grain Growth

#123
20080216599
2008-09-11

Method of producing connecting rod with bearing

#124
20080206116
2008-08-28

FRICTION STIR WELDING METHOD FOR LAMINATED MEMBER AND HYDROGEN REACTOR

#125
20080067216
2008-03-20

Bonding structures for containers and method of bonding same

#126
20080048005
2008-02-28

FRICTION STIR WELDING SYSTEM AND METHOD

#127
20080047222
2008-02-28

Friction stir welding process having enhanced corrosion performance

#128
20080041921
2008-02-21

Friction stir fabrication

#129
20070284419
2007-12-13

Friction stir welding tool cleaning method

#130
20070261226
2007-11-15

Marine riser and method for making

#131
20070241164
2007-10-18

Perforated composites for joining of metallic and composite materials

#132
20070228102
2007-10-04

Retractable shoulderless variable penetration friction stir welding tool

#133
20070181647
2007-08-09

Application of high integrity welding and repair of metal components in oil and gas exploration, production and refining

#134
20070173554
2007-07-26

Method of manufacturing polystyrene foam with polymer processing additives

#135
20070158394
2007-07-12

Welded tailored blanks that allow for part curvature

#136
20070138235
2007-06-21

Heat treating friction stir welded aluminum alloy members and joined product

#137
20070051444
2007-03-08

Method for locally surface-modifying of aluminum alloy sheet to improve formability thereof

#138
20070044406
2007-03-01

Sealants for structural member joints and methods of using same

#139
20060283918
2006-12-21

Use of friction stir processing and friction stir welding for nitinol medical devices

#140
20060249560
2006-11-09

Superplastically forming of friction welded structural assemblies

#141
20060086775
2006-04-27

Method of friction stir welding and retractable shoulderless variable penetration friction stir welding tool for same

#142
20060054655
2006-03-16

Selective reinforcement of metallic bodies

#143
20060049234
2006-03-09

Friction stirring and its application to drill bits, oil field and mining tools, and components in other industrial applications

#144
20060032891
2006-02-16

Solid state processing of materials through friction stir processing and friction stir mixing

#145
20060032333
2006-02-16

Solid state processing of industrial blades, edges and cutting elements

#146
20060027631
2006-02-09

Welding process for large structures

#147
20060027630
2006-02-09

Friction stir welding of joints with shims

#148
20050279810
2005-12-22

Friction stir weld repair

#149
20050252341
2005-11-17

Solid state processing of hand-held knife blades to improve blade performance

#150
20050246884
2005-11-10

Friction welding structure for striking plate of golf club head and method therefor

#151
20050116012
2005-06-02

Method for metal and alloy joining using bulk friction stir welding

#152
20050082342
2005-04-21

Friction stir welding improvements for metal matrix composites, ferrous alloys, non-ferrous alloys, and superalloys using a superabrasive tool

#153
18351266
2024-12-03

Bobbin friction stir weld additive manufacturing system and method

#154
17519118
2023-10-03

Additive friction stir deposition system for refractory metals

#155
15990073
2022-12-27

Enclosures having a friction stir weld, precursors thereof having a metal base having a recess and a metal cover, and related methods

#156
14107864
2015-04-21

Apparatus for friction stir welding

#157
14043596
2015-06-16

Friction stir weld plugs and methods of using thereof