ClassID:

38734

B21D41/028 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260061477
2026-03-05

TUBE EXPANDER

#2
20250276485
2025-09-04

PEX TUBING EXPANDER HEAD

#3
20250235921
2025-07-24

SWAGE TOOL

#4
20250121425
2025-04-17

TUBE EXPANSION TOOL

#5
20250073773
2025-03-06

TUBING EXPANSION TOOLS AND SYSTEMS AND METHODS FOR LEAK DETECTION

#6
20250050406
2025-02-13

ELECTRIC PIPE EXPANDER

#7
20230294156
2023-09-21

Electric pipe expander

#8
20230256498
2023-08-17

PEX EXPANSION TOOL

#9
20230226588
2023-07-20

TUBE EXPANSION TOOL

#10
20230201907
2023-06-29

PEX EXPANSION TOOL

#11
20220288667
2022-09-15

HYDRAULIC TUBE EXPANDER AND METHOD OF USE

#12
20220266503
2022-08-25

PEX TUBING EXPANDER HEAD

#13
20220184685
2022-06-16

Tubing expansion tools and systems and methods for leak detection

#14
20220176437
2022-06-09

Electric pipe expander, chuck structure for electric pipe expander, and control circuit for electric pipe expander

#15
20220168795
2022-06-02

Metal pipe and method for manufacturing metal pipe

#16
20220168793
2022-06-02

Expansion tool

#17
20210154725
2021-05-27

Swage tool

#18
20210101201
2021-04-08

Hydraulic tube expander and method of use

#19
20210039154
2021-02-11

Lubrication ring for a mechanical expander for sizing large pipes

#20
20200391274
2020-12-17

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

#21
20200287342
2020-09-10

Metal foil flaring apparatus

#22
20200261959
2020-08-20

PEX expansion tool

#23
20200261958
2020-08-20

PEX expansion tool

#24
20200094306
2020-03-26

Method for expanding an end of a pipe and expander tool

#25
20190234351
2019-08-01

Method and systems for an EGR cooler including cooling tubes with a compliant region

#26
20190168282
2019-06-06

Expanding tool and method

#27
20190090875
2019-03-28

Circular stapling instrument anvil with shank having unitary latches with living hinge

#28
20190060975
2019-02-28

Joining method for members

#29
20180361449
2018-12-20

Mechanical spreader

#30
20180297098
2018-10-18

Precision forming of metallic hollow extrusions

#31
20180281046
2018-10-04

Hydraulic tube expander and method of use

#32
20180229290
2018-08-16

Device for applying a pressing force, and a pair of pressing jaws

#33
20180029286
2018-02-01

PEX expanding tool

#34
20170348754
2017-12-07

Expanding tool and method

#35
20170276094
2017-09-28

Method and systems for an EGR cooler including cooling tubes with a compliant region

#36
20170183920
2017-06-29

COLLAR SWAGING OF SINGLE-PIECE CENTRALIZERS

#37
20160332206
2016-11-17

Hand expansion device

#38
20160008866
2016-01-14

Hydraulic tube expander and method of use

#39
20150306652
2015-10-29

Expansion head for expansion tools, expansion tool comprising said expansion head and use thereof

#40
20150165507
2015-06-18

Forming Tool and Method for Enlarging an Opening by Means of an Enlarging Device

#41
20150000368
2015-01-01

Expansion head for expansion tools and expansion tool comprising said expansion head

#42
20140298874
2014-10-09

Tube expanding drum machine

#43
20140260501
2014-09-18

Method for forming non-rectangular section ring from rectangular section ring

#44
20140208816
2014-07-31

Apparatus for correcting deformation of reaction vessel and method for correcting deformation therefor

#45
20140144020
2014-05-29

DEVICE AND METHOD FOR EXPANDING TUBES

#46
20140124184
2014-05-08

Manufacturing method for grip member for insertion tube in heat exchanger, manufacturing method for heat exchanger using said grip member, and air conditioner and/or outdoor unit having said heat exchanger

#47
20130192331
2013-08-01

INSTALLATION/PROCESSING SYSTEMS, METHODS, AND COMPONENTS

#48
20130186166
2013-07-25

TUBE FORMING MACHINE

#49
20130111962
2013-05-09

Stretch-bending straightener

#50
20130096554
2013-04-18

Method of making an off-wall spacer cage

#51
20110226034
2011-09-22

Pipe expanding apparatus of thin wall stainless steel pipe

#52
15375934
2017-07-04

Pipe expanding device