ClassID:

38726

B21D39/203 - 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; Tube expanders with mandrels, e.g. expandable expandable by fluid or elastic material

Sub-classes:
Recent Application in this class:
#1
20260042135
2026-02-12

INTERNAL HYDROFORMING METHOD FOR MANUFACTURING HEAT PIPE WICKS UTILIZING A HOLLOW MANDREL AND SHEATH

#2
20250229316
2025-07-17

JOINING METHOD, AND DEVICE FOR SUCH

#3
20230405661
2023-12-21

Method for joining members and joined body

#4
20230226587
2023-07-20

INTERNAL HYDROFORMING METHOD FOR MANUFACTURING HEAT PIPE WICKS UTILIZING A HOLLOW MANDREL AND SHEATH

#5
20230126951
2023-04-27

Method for producing structure

#6
20200391274
2020-12-17

Device for expanding and shaping the end of pipes and an extracting member for use with such a device

#7
20200262465
2020-08-20

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

#8
20200246860
2020-08-06

Method and device for joining members

#9
20190375355
2019-12-12

Method for joining members and joined body

#10
20190070656
2019-03-07

Joining method and joint structure of members

#11
20180304446
2018-10-25

Arrangement for working a tube end

#12
20170030500
2017-02-02

Spherical decoupler conduit

#13
20160361748
2016-12-15

Method and kit for joining a tubular member and a pipeline for conveying corrosive products

#14
20160311008
2016-10-27

Method for connecting a first component to a second component by plastic deformation

#15
20160221062
2016-08-04

Expanding flexible bladder to insert tool

#16
20150258598
2015-09-17

Portable tool and method of operating same

#17
20140130566
2014-05-15

Recirculating Steam Generator U-Bend Hydraulic Tube Expansion

#18
20130340254
2013-12-26

System and method for radically expanding hollow cylindrical objects

#19
20130205853
2013-08-15

Tool designed for restoration/repair of formwork props, and its usage

#20
20110226034
2011-09-22

Pipe expanding apparatus of thin wall stainless steel pipe

#21
20100180660
2010-07-22

Extension for a pipe expander

#22
20080156480
2008-07-03

APPARATUS FOR EXPANDING A TUBULAR MEMBER

#23
20080087418
2008-04-17

Pipeline

#24
20070029080
2007-02-08

Deformable member

#25
20050263296
2005-12-01

Deformable member

#26
20050230104
2005-10-20

Apparatus for expanding a tubular member

#27
20050230103
2005-10-20

Apparatus for expanding a tubular member

#28
20050230102
2005-10-20

Apparatus for expanding a tubular member

#29
20050224225
2005-10-13

Apparatus for expanding a tubular member

#30
20050205253
2005-09-22

Apparatus for expanding a tubular member

#31
15375934
2017-07-04

Pipe expanding device