Patents-Review.com
ClassID:

43469 ⎘

B23K37/0531 - CPC Classification

Classification description:

Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps

Recent Application in this class:
#1
20240255280
2024-08-01

Light-transmittance device and use method

 #2
20210402526
2021-12-30

Internal clamping and welding device

 #3
20210291305
2021-09-23

BACKING MATERIAL FOR WELDING

 #4
20210094130
2021-04-01

Backing material for welding

 #5
20200353575
2020-11-12

Welding Accessory Tool for Thin Walled Pipes

 #6
20200122259
2020-04-23

Welding support block

 #7
20190301646
2019-10-03

Apparatus and method for lined pipe welding

 #8
20190091811
2019-03-28

METHOD AND APPARATUS FOR MEASURING A PIPE WELD JOINT

 #9
20190054577
2019-02-21

Pipeline internal centering device and associated method

 #10
20190022808
2019-01-24

Rotary positioner with outriggers

 #11
20190015938
2019-01-17

Method and apparatus for precision alignment and tack welding of weld-neck pipe fittings to pipe

 #12
20180281120
2018-10-04

PIPE CRAWLING WELDING DEVICE AND METHOD OF WELDING PIPES WITH SUCH DEVICE

 #13
20180281119
2018-10-04

PIPE CRAWLING WELDING DEVICE AND METHOD OF WELDING PIPES WITH SUCH DEVICE

 #14
20180243865
2018-08-30

Internal Line-Up Clamps for Welding Pipes

 #15
20180207754
2018-07-26

Pipe locating system

 #16
20180126498
2018-05-10

DEVICE AND METHOD FOR WELDING A FIRST PIPE SEGMENT TO A SECOND PIPE SEGMENT

 #17
20180117718
2018-05-03

Self-powered welding systems and methods

 #18
20180111233
2018-04-26

Welding positioning tool with internal gas ports

 #19
20180031152
2018-02-01

Internally welded pipes

 #20
20180029154
2018-02-01

Rotating welding system and methods

 #21
20170282309
2017-10-05

Method and device for centering and temporary fixation of tube parts

 #22
20170113308
2017-04-27

ALIGNMENT RECTIFYING DEVICE

 #23
20170095893
2017-04-06

Roll-out wheel for pipe welding

 #24
20170080519
2017-03-23

Fabrication of pipe strings using friction stir welding

 #25
20170080518
2017-03-23

Fabrication of pipe strings using friction stir welding

 #26
20170028519
2017-02-02

Auxiliary device for installing piston rings

 #27
20170021445
2017-01-26

METHOD AND APPARATUS FOR FORMING CLAD METAL PRODUCTS

 #28
20160377421
2016-12-29

Pipe locating system

 #29
20160243658
2016-08-25

Welding fixture apparatus

 #30
20160114436
2016-04-28

Internal line-up clamps for welding pipes

 #31
20150352557
2015-12-10

Method for manufacturing large mill cylinders

 #32
20140361528
2014-12-11

Lined sleeve for tube welding

 #33
20140346723
2014-11-27

Apparatus for Joining Pipe Sections

 #34
20140346163
2014-11-27

Laser controlled internal welding machine for a pipeline

 #35
20140246482
2014-09-04

Forming body for sealing an object to be welded, more particularly a pipe

 #36
20140158750
2014-06-12

Vibration dampening device for the manufacture of a rotor

 #37
20140091128
2014-04-03

Internal pipe line-up clamping module

 #38
20130092665
2013-04-18

Arc guiding, gripping and sealing device for a magnetically impelled butt welding rig

 #39
20120125973
2012-05-24

Expandable mandrel for use in friction stir welding

 #40
20120098251
2012-04-26

Clamping device for centring pipes

 #41
20110210112
2011-09-01

Apparatus for joining sections of pipe

 #42
20110198316
2011-08-18

METHOD AND APPARATUS FOR MEASURING A PIPE WELD JOINT

 #43
20100327045
2010-12-30

Internal pipe clamp alignment guides with purge backup

 #44
20100219230
2010-09-02

Expandable mandrel for use in friction stir welding

 #45
20100051672
2010-03-04

Internal pipe clamp alignment guides with purge backup

 #46
20090302007
2009-12-10

Device for centering and clamping tubular parts, comprising means for regulating the gas flow rate in order to control the oxygen content

 #47
20090212024
2009-08-27

WELDING PROCESS

 #48
20090134203
2009-05-28

METHODS AND APPARATUS FOR FORMING TUBULAR STRINGS

 #49
20090114702
2009-05-07

DEVICE FOR CENTERING AND CLAMPING TUBULAR PARTS

 #50
20090085269
2009-04-02

Device for centering and clamping tubular parts

 #51
20090014500
2009-01-15

Weight balancer and pipe joining method

 #52
20080217378
2008-09-11

Device for Centering and Clamping Tubular Parts, Comprising Means for the Real-Time Mesurement and Regulation of the Moisture Content

 #53
20080029578
2008-02-07

Out-of position friction stir welding of high melting temperature alloys

 #54
20070256288
2007-11-08

Method and device for welding pipes

 #55
20060208031
2006-09-21

Concentric, insulated tubular conduits and method for assembly

 #56
20060201995
2006-09-14

BORE ALIGNMENT TOOL

 #57
20060081683
2006-04-20

Expandable mandrel for use in friction stir welding

 #58
20050082342
2005-04-21

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

 #59
20050035173
2005-02-17

Out-of-position friction stir welding of high melting temperature alloys