Patents-Review.com
ClassID:

38733 ⎘

B21D41/026 - CPC Classification

Classification description:

Application of procedures in order to alter the diameter of tube ends; Enlarging by means of mandrels

Sub-classes:
Recent Application in this class:
#1
20250276485
2025-09-04

PEX TUBING EXPANDER HEAD

 #2
20250187061
2025-06-12

HOLLOW MEMBER AND HOLLOW MEMBER MANUFACTURING METHOD

 #3
20240216980
2024-07-04

APPARATUS AND PROCESS FOR EXPANDING A TUBULAR USING A CONE ASSEMBLY

 #4
20230372993
2023-11-23

BITS AND METHODS OF MANUFACTURE AND USE THEREOF

 #5
20230211402
2023-07-06

DEVICE FOR WORKING PIPES

 #6
20230141074
2023-05-11

PIPE EXPANDING TOOL

 #7
20220266503
2022-08-25

PEX TUBING EXPANDER HEAD

 #8
20220203430
2022-06-30

Method and apparatus for can expansion

 #9
20220134410
2022-05-05

Diamond coating on the cone for expandable tubulars

 #10
20210154725
2021-05-27

Swage tool

 #11
20210121929
2021-04-29

Bend pipe and method for manufacturing same

 #12
20210023602
2021-01-28

Full-electric servo vertical three-counter-roller driving power spinning device

 #13
20200391274
2020-12-17

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

 #14
20200338622
2020-10-29

Pipe enlarging device

 #15
20200338621
2020-10-29

Pipe enlarging device

 #16
20200156138
2020-05-21

EXPANDER FOR EXPANDING METAL PIPES

 #17
20200108432
2020-04-09

Joining method for members

 #18
20190283106
2019-09-19

TUBE POSITIONING DEVICE OF TUBE FLARING TOOL

 #19
20190143775
2019-05-16

Coupling structure, coupling member having coupling structure, and method for manufacturing coupling member having coupling structure

 #20
20190033796
2019-01-31

Process for forming and assembling pipe sections using mechanical press fit pipe joints in a pipeline

 #21
20190033795
2019-01-31

Process for preparing pipe sections of pipeline for mechanical press fit pipe joints

 #22
20190025772
2019-01-24

Processes for preparing, forming and assembling pipe sections in a pipeline using mechanical press fit pipe joints

 #23
20190001393
2019-01-03

Swage tool

 #24
20180361449
2018-12-20

Mechanical spreader

 #25
20180345349
2018-12-06

Method and arrangement for manufacturing of tubes by continuous hydraulic expansion

 #26
20180320802
2018-11-08

Mechanical processing of high aspect ratio metallic tubing and related technology

 #27
20180250728
2018-09-06

Method and apparatus for can expansion

 #28
20180200776
2018-07-19

Pipe expanding device with a pipe-length fixing assembly

 #29
20180161845
2018-06-14

HYDRAULIC TOOL

 #30
20180142812
2018-05-24

Flared exhaust gas pressure tube having keyed washer

 #31
20180126438
2018-05-10

Mold tool

 #32
20180056370
2018-03-01

Method of increasing thickness of tube and increased thickness tube

 #33
20170320116
2017-11-09

Method of manufacturing flaring-processed metal pipe

 #34
20170157877
2017-06-08

Method for production of a combustion chamber tube for restraint systems in vehicles and device for implementation of the method

 #35
20170129001
2017-05-11

Pipe end forming methods and pipe clamp

 #36
20170102674
2017-04-13

Systems for data monitoring and management of pipelines assembled with mechanical press fit pipe joints

 #37
20170100806
2017-04-13

Processes for preparing, forming and assembling pipe sections in a pipeline using mechanical press fit pipe joints

 #38
20170056954
2017-03-02

Hand held flaring tool

 #39
20160136718
2016-05-19

Pipe flare processing device having a view hole

 #40
20160101491
2016-04-14

Apparatus and method for assembling, measuring, and monitoring integrity of mechanical pipe joints

 #41
20160024808
2016-01-28

Method for reinforcing and calibrating a pipe portion

 #42
20150114073
2015-04-30

Tube expanding method for manufacturing metal tube

 #43
20150097350
2015-04-09

Coupling structure, coupling member having coupling structure, and method for manufacturing coupling member having coupling structure

 #44
20150036961
2015-02-05

Method for producing holder and holder

 #45
20140196877
2014-07-17

Tube for heat exchanger

 #46
20140150230
2014-06-05

Internal roller swaging device and method

 #47
20130340255
2013-12-26

Tension expansion clamping tool block

 #48
20130333429
2013-12-19

Pipe end correction method of seamless pipe made of high CR stainless steel

 #49
20130298632
2013-11-14

EXPANSION BULLET FOR HEAT EXCHANGER TUBE

 #50
20130111962
2013-05-09

Stretch-bending straightener

 #51
20120217674
2012-08-30

Device and procedure for expanding the end of a plastic pipe

 #52
20120181727
2012-07-19

Device for expanding hollow bodies

 #53
20120160051
2012-06-28

Method for the production of a steering spindle portion forming a section of a steering spindle

 #54
20110239425
2011-10-06

PEX expanding tool

 #55
20110174048
2011-07-21

REFLARE TOOL AND PROCESS

 #56
20110151045
2011-06-23

Expansion tool device for pliers or machine for producing sockets at the ends of pipes made out of plastic or composite material

 #57
20100308503
2010-12-09

Method and tool for expanding a pipe end

 #58
20100295296
2010-11-25

Flanged pipe

 #59
20090285925
2009-11-19

Device for preparing pipe ends for jointing

 #60
20090224537
2009-09-10

BRAKE TUBE END FLARE

 #61
20090090159
2009-04-09

Pipe expanding method and pipe expanding device for steel pipe

 #62
20090038367
2009-02-12

Apparatus for pipe end sizing and method for pipe end sizing

 #63
20080160130
2008-07-03

Expansion tool device for pliers or machine for producing sockets at the ends of pipes made out of plastic or composite material

 #64
20070277581
2007-12-06

Expanding tool for hollow members

 #65
20050193797
2005-09-08

Method for leveling a string groove of a hollow metal racket

 #66
15462733
2018-05-22

Mechanical processing of high aspect ratio metallic tubing and related technology

 #67
15419616
2018-05-29

Tube jig device

 #68
15374408
2017-08-29

System and method for coldworking holes in a workpiece