Patents-Review.com
ClassID:

38730 ⎘

B21D41/021 - CPC Classification

Classification description:

Application of procedures in order to alter the diameter of tube ends; Enlarging by means of tube-flaring hand tools

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

PEX TUBING EXPANDER HEAD

 #2
20250065391
2025-02-27

MANUAL HYDRAULIC PIPE EXPANDER

 #3
20250050406
2025-02-13

ELECTRIC PIPE EXPANDER

 #4
20240066584
2024-02-29

DIAMETER-EXPANDING TOOL HEAD AND DIAMETER-EXPANDING METHOD THEREOF

 #5
20230405662
2023-12-21

Flaring tool and method of flaring a tube or the like

 #6
20230372993
2023-11-23

BITS AND METHODS OF MANUFACTURE AND USE THEREOF

 #7
20220288667
2022-09-15

HYDRAULIC TUBE EXPANDER AND METHOD OF USE

 #8
20220266503
2022-08-25

PEX TUBING EXPANDER HEAD

 #9
20210402457
2021-12-30

Flaring tool and method of flaring a tube or the like

 #10
20210154725
2021-05-27

Swage tool

 #11
20210101201
2021-04-08

Hydraulic tube expander and method of use

 #12
20200391274
2020-12-17

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

 #13
20190283106
2019-09-19

TUBE POSITIONING DEVICE OF TUBE FLARING TOOL

 #14
20190168282
2019-06-06

Expanding tool and method

 #15
20180361449
2018-12-20

Mechanical spreader

 #16
20180297103
2018-10-18

Flaring device for flaring the ends of pipes

 #17
20180281046
2018-10-04

Hydraulic tube expander and method of use

 #18
20180250729
2018-09-06

Hand held flaring tool

 #19
20180193898
2018-07-12

Rotary pipe sizing tool

 #20
20180126438
2018-05-10

Mold tool

 #21
20180099326
2018-04-12

Apparatus and method for flaring a tube

 #22
20170348754
2017-12-07

Expanding tool and method

 #23
20170136520
2017-05-18

Flairing pliar jaws

 #24
20170056954
2017-03-02

Hand held flaring tool

 #25
20160167102
2016-06-16

Apparatus for flaring a double-walled tube

 #26
20160136718
2016-05-19

Pipe flare processing device having a view hole

 #27
20160074925
2016-03-17

Flaring and swaging bits, and methods using same

 #28
20160023262
2016-01-28

TUBE EXPANDER WITH POSITIONING STRUCTURE

 #29
20160008866
2016-01-14

Hydraulic tube expander and method of use

 #30
20150321237
2015-11-12

Structure of a tube expander

 #31
20150114068
2015-04-30

Hand held flaring tool

 #32
20150111475
2015-04-23

Hand operated surfacing tool

 #33
20150000364
2015-01-01

Flaring and expanding tools and methods of flaring and expanding tubes and pipes

 #34
20140290327
2014-10-02

Flaring device for a tubular member

 #35
20140259581
2014-09-18

Piping system

 #36
20140041434
2014-02-13

Pipe expanding tool

 #37
20140033784
2014-02-06

Holding device for a flanging tool and flanging tool for flanging pipe ends

 #38
20130327108
2013-12-12

Corrugated tubing compression tool

 #39
20130305803
2013-11-21

Servo motor controlled hydraulic pump unit for tube end forming equipment

 #40
20130255348
2013-10-03

Oil-pressure swaging tool for rebuilding a connecting pipe

 #41
20130140739
2013-06-06

Tool and method for expanding a pipe end

 #42
20130133394
2013-05-30

Hand held flaring tool

 #43
20120240652
2012-09-27

Flaring and expanding tools and methods of flaring and expanding tubes and pipes

 #44
20120167654
2012-07-05

Tube flaring tool

 #45
20120131797
2012-05-31

Processing Method of Tube Body, Manufacturing Method of Cylinder Device and Cylinder Device Manufactured By the Same

 #46
20110247387
2011-10-13

MANUALLY OPERATED TOOL FOR FLARING TUBES

 #47
20110247386
2011-10-13

GRIPPING DEVICES

 #48
20110192207
2011-08-11

Automatic extrusion device

 #49
20110089682
2011-04-21

Method for manufacturing a wall connector

 #50
20100297285
2010-11-25

Pipe Body Extrusion Device

 #51
20100011833
2010-01-21

PNEUMATICALY DRIVEN PIPE SWEDGING AND FLARING TOOLS

 #52
20080314113
2008-12-25

Processing method of tube body, manufacturing method of cylinder device and cylinder device manufactured by the same

 #53
20080006074
2008-01-10

Bead lining tool

 #54
20070277972
2007-12-06

Expansion cone and system

 #55
20060243019
2006-11-02

Pneu/hydraulic tube flaring tool apparatus and method

 #56
20060201228
2006-09-14

Expansion device for hollow bodies

 #57
20060144116
2006-07-06

Pipe flaring tool

 #58
20060117827
2006-06-08

Tube expander

 #59
20050271764
2005-12-08

Flaring tool

 #60
20050229668
2005-10-20

Powered pipe flaring tool

 #61
20050200121
2005-09-15

Double pipe forked part structure and method of making the same

 #62
18478859
2024-05-21

Pipe expanding head, pipe expanding head assembly and pipe expanding plier

 #63
15641981
2018-11-20

Tube flaring tool

 #64
15481989
2018-07-17

Quick positioning tube expander

 #65
15419616
2018-05-29

Tube jig device

 #66
14995095
2017-04-25

Pipe positioning device

 #67
13412605
2015-06-02

Flaring tool