ClassID:

38667

B21D31/02 - CPC Classification

Classification description:

Other methods for working sheet metal, metal tubes, metal profiles Stabbing or piercing, e.g. for making sieves

Recent Application in this class:
#1
20240316612
2024-09-26

IN-DIE DETECTION SENSOR FOR TAPPING ASSEMBLY

#2
20240091841
2024-03-21

Bulk textured material sheeting

#3
20220266329
2022-08-25

Method for producing an overlapping connection, and body component for a vehicle

#4
20210379642
2021-12-09

Bulk textured material sheeting

#5
20210197245
2021-07-01

Method for producing an overlapping connection, and body component for a vehicle

#6
20190329313
2019-10-31

Bulk textured material sheeting

#7
20190167278
2019-06-06

Method for the production of a reamer

#8
20190076906
2019-03-14

Textured sheet metal, and process and apparatus for producing textured sheet metal

#9
20170350661
2017-12-07

Header plate for a heat exchanger

#10
20160375480
2016-12-29

Bulk textured material sheeting

#11
20160160526
2016-06-09

Fencing assembly apparatus

#12
20160074921
2016-03-17

MACHINE TO PRODUCE PERFORATED METAL STOCK

#13
20150239030
2015-08-27

Method of machining metal plate and mesh member produced by the machining method

#14
20150183017
2015-07-02

Sheet roll forming method, and running cutter and round bender applied thereto

#15
20150114067
2015-04-30

Method of forming a press-formed component and a die apparatus for forming a press-formed component

#16
20150086750
2015-03-26

Bulk textured material sheeting

#17
20140123494
2014-05-08

Manufacture of a filter screen

#18
20140096393
2014-04-10

Manufacture of a filter screen

#19
20130240194
2013-09-19

Heat exchanger and method for fabricating the same

#20
20120180544
2012-07-19

METAL SHEET PRESSING METHOD

#21
20120131979
2012-05-31

Fin fabrication process for entrainment heat sink

#22
20120061535
2012-03-15

METHOD FOR MANUFACTURING A CORNER FIXING BRACKET AND A CORNER FIXING BRACKET

#23
20120000052
2012-01-05

Manufacture of a filter screen

#24
20110265542
2011-11-03

METAL SHEET PRESSING METHOD

#25
20110265539
2011-11-03

Method of making micro-holes on metal plate

#26
20110013354
2011-01-20

Memory stick

#27
20110011146
2011-01-20

Method of forming a tenon on one side of a metal plate member

#28
20100218584
2010-09-02

Metal sheet pressing method

#29
20100132921
2010-06-03

Wake generating solid elements for joule heating or infrared heating

#30
20090223270
2009-09-10

PRESS, METHOD FOR MANUFACTURING THE METAL PLATE, METHOD FOR MANUFACTURING THE LIQUID SPRAY HEAD, METHOD FOR MANUFACTURING THE LIQUID SPRAY APPARATUS

#31
20090078021
2009-03-26

Metal sheet pressing method

#32
20080314818
2008-12-25

PRESSING METHOD, PUNCHING PLATE, AND LIQUID EJECTING HEAD

#33
20080083257
2008-04-10

Method for manufacturing high flow insufflation needle stylet

#34
20080006073
2008-01-10

Metal sheet pressing method

#35
20070193323
2007-08-23

Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom

#36
20070157695
2007-07-12

Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom

#37
20070056344
2007-03-15

Metal sheet pressing method

#38
20060272377
2006-12-07

Finned multi-aperture sheet metal, method of manufacturing the sheet metal, part for exhaust emission control device using the sheet metal, and method of manufacturing the part for exhaust emission control device

#39
20060201225
2006-09-14

Metal stud punch system

#40
20060150704
2006-07-13

Metal sheet pressing method

#41
20060117829
2006-06-08

Forging punch, method of manufacturing liquid ejection head using the same, and liquid ejection head manufactured by the method

#42
20060053861
2006-03-16

Method and apparatus to reduce the width of a slot or opening in a pipe, tube or other object

#43
20050204795
2005-09-22

Metal sheet pressing method

#44
20050044915
2005-03-03

Finned multi-aperture sheet metal, method of manufacturing the sheet metal, part for exhaust emission control device using the sheet metal, and method of manufacturing the part for exhaust emission control device

#45
15703210
2018-07-03

Textured sheet metal