ClassID:

38634

B21D28/00 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating

Sub-classes:
Recent Application in this class:
#1
20260031383
2026-01-29

Apparatus for Manufacturing Secondary Battery, Method for Manufacturing Secondary Battery Using the Same, and Secondary Battery Manufactured Using the Same

#2
20250256318
2025-08-14

Forming Machine Having a Cutting Device

#3
20250195270
2025-06-19

NON-MAGNETIC FINE STAINLESS STEEL PROCESSED PRODUCT AND METHOD FOR MANUFACTURING THE SAME

#4
20250144693
2025-05-08

STEEL MATERIAL, AUTO PART, SHEARING APPARATUS AND METHOD OF PRODUCTION OF STEEL MATERIAL

#5
20240321514
2024-09-26

MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR LAMINATED IRON

#6
20240198406
2024-06-20

METHOD AND DEVICE FOR SHEET METAL BENDING OR SHEET METAL CUTTING WITH REDUCED FORMATION OF FLAKES

#7
20220165492
2022-05-26

Manufacturing apparatus for laminated iron core

#8
20220040748
2022-02-10

Method for manufacturing pressed component, and method for manufacturing blank material

#9
20210299733
2021-09-30

Transfer pressing apparatus and method

#10
20210129203
2021-05-06

SIDE TRIMMING DEVICE

#11
20200269304
2020-08-27

Metal sheet with contour cut for vibration reduction

#12
20200238461
2020-07-30

Tool magazines of mechanical arrangements and methods for administering tools

#13
20200079435
2020-03-12

Suspension support bracket and method for manufacturing suspension support bracket

#14
20190353041
2019-11-21

Methods and articles relating to ionic liquid bath plating of aluminum-containing layers utilizing shaped consumable aluminum anodes

#15
20190352731
2019-11-21

Edge formability in metallic alloys

#16
20190259531
2019-08-22

Manufacturing method for laminated iron core

#17
20190240715
2019-08-08

Method for shear processing

#18
20190217433
2019-07-18

Tool magazines of mechanical arrangements and methods for administering tools

#19
20190168276
2019-06-06

Die-pressing punch capable of adjusting initial load of coil spring in accordance with material of workpiece, die-pressing die set, and beveling method

#20
20190160508
2019-05-30

Die-pressing die having dust collection passage at peripheral edge portion of roller unit

#21
20190091754
2019-03-28

Machine workpiece handling

#22
20190010610
2019-01-10

Fluoride-free zirconium-based metal pre-treatment for passivation

#23
20180299867
2018-10-18

Information processing apparatus, machining system, data structure, and data processing method

#24
20180290233
2018-10-11

Apparatus and method for trimming a sheet metal edge

#25
20180214925
2018-08-02

Method and system for producing ring-shaped member for vehicle, and synchronizer ring

#26
20180093317
2018-04-05

STAMPING TOOL LOCKING TECHNOLOGY

#27
20180065653
2018-03-08

Pallet truck with pressed fork structure

#28
20180021841
2018-01-25

Ring manufacturing method, ring manufacturing apparatus, and ring manufactured by the ring manufacturing method

#29
20170368594
2017-12-28

Tool assembly and method for manufacturing an automotive body panel

#30
20170368591
2017-12-28

Eavestrough outlet cutter

#31
20170368588
2017-12-28

Method for machining outer circumference of metal end cross-section and method for joining metal component obtained by the machining method with another member

#32
20170266711
2017-09-21

METHOD OF TRIMMING ULTRA HIGH STRENGTH HOT STAMPING STEEL SHEET USING COINING

#33
20170239702
2017-08-24

Combined device for bending and cutting ribbon-shaped elements and method for bending and cutting ribbon-shaped elements through such device

#34
20170166988
2017-06-15

Edge formability in metallic alloys

#35
20170145696
2017-05-25

Roof edge seal and barrier devices and their manufacture

#36
20170136514
2017-05-18

Manufacturing method of press-formed article and press forming apparatus

#37
20170080471
2017-03-23

Tool for a punching machine for reshaping portions of a plate-shaped workpiece and method thereto

#38
20170073791
2017-03-16

Method for hot forming thin semi-finished products

#39
20170051553
2017-02-23

Sill pan

#40
20170036258
2017-02-09

HARD COATING FILM HAVING ANTI-ADHESION PROPERTY TO SOFT METAL

#41
20160361745
2016-12-15

Metal plate punching method and metal plate punching system

#42
20160304999
2016-10-20

METHOD FOR PROCESSING METAL-CAST ARTICLE

#43
20160304044
2016-10-20

Attachment means for mounting a bumper cross-beam onto a vehicle structure

#44
20160303635
2016-10-20

Edge formability in metallic alloys

#45
20160288195
2016-10-06

Method for manufacturing brilliant metal sealing caps

#46
20160274626
2016-09-22

Unibody construction triangular chassis

#47
20160271672
2016-09-22

Apparatus for bending oblong metal products, such as bars, round pieces or metal wires, and corresponding bending method

#48
20160067760
2016-03-10

SURFACE LAYER GRAIN REFINING HOT-SHEARING METHOD AND WORKPIECE OBTAINED BY SURFACE LAYER GRAIN REFINING HOT-SHEARING

#49
20160034005
2016-02-04

Unibody construction triangular chassis

#50
20150352623
2015-12-10

Hard coating film having anti-adhesion property to soft metal

#51
20150314408
2015-11-05

Machine tool for processing a workpiece and method for operating such a machine tool

#52
20150314364
2015-11-05

Forming apparatus and method of operating a forming apparatus

#53
20150285315
2015-10-08

Hand-held power tool with a clutch and method for producing a groove in the circumferential wall of a clutch drum of a hand-held power tool

#54
20150283595
2015-10-08

Method for producing a chassis link

#55
20150174635
2015-06-25

Stamping method and stamping apparatus

#56
20150135794
2015-05-21

Pressing method and pressing device for forming punched piece by punching metal plate with die and punch

#57
20150053059
2015-02-26

Device and method for transferring workpieces into and out of a tool

#58
20150013518
2015-01-15

Composition And Tool For Cutting Metal Sheets

#59
20140251933
2014-09-11

SHELVING ASSEMBLY

#60
20140121084
2014-05-01

Tool magazines of mechanical arrangements and methods for administering tools

#61
20140119038
2014-05-01

Lighted trim assembly and perforated member therefor

#62
20140096583
2014-04-10

Device and method for hot stamping

#63
20130133493
2013-05-30

Handling mechanism and punching machine using the same

#64
20120300344
2012-11-29

Disk drive having a sheet metal clamp with a stamped annular protruding disk contact feature

#65
20120060580
2012-03-15

Tool wear compensation devices and related machines and methods

#66
20120042764
2012-02-23

Punching tools and related machines and methods

#67
20110314991
2011-12-29

Shearing die and method for manufacturing the same

#68
20110059330
2011-03-10

METHOD FOR PRECISION BENDING OF SHEET OF MATERIALS, SLIT SHEETS FABRICATION PROCESS

#69
20090025447
2009-01-29

Method and device for the production and/or machining of pieces

#70
20080254249
2008-10-16

Work subject material, surface protection sheet and method of working

#71
20080245206
2008-10-09

Machine-Type Device For Raising Machine Punches of the Type Using Adiabatic Energy Change

#72
20080245126
2008-10-09

Method of stamping multilayer sheets

#73
20080216630
2008-09-11

Device for Assembling Machine Components Using Adiabatic Energy Change

#74
20080193714
2008-08-14

METHOD FOR PRECISION BENDING OF SHEET OF MATERIALS, SLIT SHEETS FABRICATION PROCESS

#75
20070113614
2007-05-24

Method for forming sheet material with bend facilitating structures into a fatigue resistant structure

#76
20060144117
2006-07-06

Device for processing a thin metal foil

#77
20060032283
2006-02-16

Press with a device for detecting a mutual reference position of tool parts of a pressing tool

#78
20050126110
2005-06-16

Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor

#79
20050064138
2005-03-24

Method for precision bending of sheet of materials, slit sheets fabrication process

#80
13921358
2016-04-19

Disk drive having a sheet metal clamp with a stamped annular protruding disk contact feature

#81
13623012
2021-12-28

Systems and methods for trimming powered cards and devices