ClassID:

38713

B21D39/044 - CPC Classification

Classification description:

Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating ; Tube expanders of tubes with tubes; of tubes with rods perpendicular

Recent Application in this class:
#1
20250381591
2025-12-18

TUBULAR MEMBER FLANGE ATTACHMENT AND METHODS OF ATTACHING A FLANGE TO A TUBULAR MEMBER

#2
20240335869
2024-10-10

TEE TYPE CONNECTOR PIPE MANUFACTURING METHOD

#3
20210379643
2021-12-09

Bead forming method and structural member

#4
20200262465
2020-08-20

Method for fixing steering support, device for fixing steering support, and method for checking deformation of instrument panel reinforcement body

#5
20200246860
2020-08-06

Method and device for joining members

#6
20200179951
2020-06-11

Separator device

#7
20190375355
2019-12-12

Method for joining members and joined body

#8
20180369894
2018-12-27

Railing system

#9
20180099294
2018-04-12

Separator device

#10
20170152977
2017-06-01

Separator device

#11
20160104993
2016-04-14

Rotary crimping tool assembly

#12
20150290655
2015-10-15

Magnetic separator and release tool therefor

#13
20150165448
2015-06-18

Separator device

#14
20150151220
2015-06-04

Separator device

#15
20130180109
2013-07-18

METHOD OF JOINING TUBE AND TUBE SHEET IN SHELL & TUBE HEAT EXCHANGER

#16
20120267908
2012-10-25

Vehicle bumper beam and method for manufacturing same

#17
20120090140
2012-04-19

Snap locking coupling system for pieces or coupling members

#18
20110121569
2011-05-26

Standing seam connectors for ducting

#19
20110079005
2011-04-07

Device and method for converting a motorcycle exhaust system into a multiple exhaust system

#20
20070214856
2007-09-20

Press for assembling railing systems

#21
20070200105
2007-08-30

Railing system

#22
20060054663
2006-03-16

Method for producing a connection

#23
20050160573
2005-07-28

Method and apparatus for interlocking tubular members

#24
20050035641
2005-02-17

Securement of head rest support into automobile seat frame