ClassID:

42996

B23K9/326 - CPC Classification

Classification description:

Arc welding or cutting; Accessories; Devices for supplying or evacuating shielding gas Purge gas rings, i.e. devices for supplying or evacuating shielding gas inside of hollow or tubular articles, e.g. pipes, vessels

Recent Application in this class:
#1
20260124692
2026-05-07

MOBILE CLOSE PROXIMITY ORBITAL WELDING SYSTEM HAVING A SHIELDED WELD ZONE

#2
20250128363
2025-04-24

ORBITAL WELDING DEVICE WITH IMPROVED RESIDUAL OXYGEN MEASUREMENT

#3
20250100067
2025-03-27

BACK PURGING ROBOTIC CRAWLER

#4
20240399483
2024-12-05

SYSTEM AND METHODS OF SMART WELDING OPERATIONS

#5
20220266374
2022-08-25

Mounting attachment, use and method of manufacture

#6
20220234131
2022-07-28

APPARATUS FOR PIPE PURGING

#7
20220234130
2022-07-28

Method for pipe purging

#8
20210387277
2021-12-16

Orbital welding device with simpler handling of the measurement of residual oxygen

#9
20210379706
2021-12-09

Orbital welding device with improved residual oxygen measurement

#10
20210260683
2021-08-26

System and methods of smart welding operations

#11
20200398366
2020-12-24

Reusable, gas permeable purge system for welding applications

#12
20200290145
2020-09-17

Methods and apparatus for repairing a tubular structure

#13
20200049584
2020-02-13

Purging for welding

#14
20190176260
2019-06-13

Welding power system with integrated purge gas control

#15
20190091810
2019-03-28

DATA ACQUISITION USING A PURGE PLUG

#16
20180154474
2018-06-07

Welding purge dam with apertured purge plates

#17
20180128799
2018-05-10

Wireless oxygen monitor

#18
20180111233
2018-04-26

Welding positioning tool with internal gas ports

#19
20180021891
2018-01-25

Near-weld purge gas delivery system

#20
20170225258
2017-08-10

Gas diffusing water degradable welding purge dam

#21
20170173723
2017-06-22

Purge dam and method of use

#22
20160279727
2016-09-29

Underwater connection operations

#23
20160263693
2016-09-15

Instantaneous gas purge apparatus

#24
20160256961
2016-09-08

Near-weld purge gas delivery system

#25
20160221107
2016-08-04

Welding power system with integrated purge gas control

#26
20160074955
2016-03-17

Purge dam and method of use

#27
20150174683
2015-06-25

PURGE CAN FOR PURGING PIPE

#28
20140333063
2014-11-13

Data acquisition using a purge plug

#29
20140246482
2014-09-04

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

#30
20140117068
2014-05-01

Field-customizable inflatable purge dam apparatus

#31
20130284297
2013-10-31

Inflatable purge dam apparatus

#32
20130068730
2013-03-21

Methods for weld purging

#33
20120152905
2012-06-21

Method for Reduced Cycle Times In Multi-Pass Welding While Providing an Inert Atmosphere to the Welding Zone

#34
20120125600
2012-05-24

DEVICE FOR BLOCKING-OFF PART OF THE INTERIOR OF A PIPE

#35
20110127238
2011-06-02

PIPE WELDING PURGE GAS CONTROLLER

#36
20090166338
2009-07-02

Preserving apparatus for welded joint portion and preserving method therefor

#37
20090145884
2009-06-11

FORMING DEVICE AND METHOD FOR FORMING

#38
20060068142
2006-03-30

Welding tape and related taping method