ClassID:

38523

B21D11/20 - CPC Classification

Classification description:

Bending not restricted to forms of material mentioned in only one of groups , , ; Bending not provided for in groups  -  ; Twisting Bending sheet metal, not otherwise provided for

Sub-classes:
Recent Application in this class:
#1
20240293858
2024-09-05

SHEET MATERIAL FORMING

#2
20240149321
2024-05-09

CALCULATION METHOD FOR HEATING PLAN, PROGRAM, RECORDING MEDIUM, DEVICE, DEFORMATION METHOD, PLATE DEFORMATION DEVICE, AND PRODUCTION METHOD FOR DEFORMED PLATE

#3
20220331852
2022-10-20

Roll stamping apparatus and method

#4
20220212241
2022-07-07

Sheet material forming

#5
20210299731
2021-09-30

MOBILE MACHINE TOOL

#6
20210291247
2021-09-23

Bending method

#7
20200321819
2020-10-08

Stator with dual jig arrangement

#8
20200240467
2020-07-30

Linear motion guide unit and method of manufacturing the same

#9
20200197995
2020-06-25

Actuating device for upper sheet-pressing tools of an industrial machine for the bending of metal elements

#10
20200080677
2020-03-12

Tapping sleeve with bent ends

#11
20190308236
2019-10-10

Drawing-out tool for sheet metal

#12
20190299265
2019-10-03

Device and method for shaping sheet metal

#13
20190208585
2019-07-04

Large scale metal forming

#14
20190163162
2019-05-30

Method for automated straightening of welded assemblies

#15
20190022726
2019-01-24

Large scale metal forming control system and method

#16
20190009319
2019-01-10

Roll stamping apparatus and method

#17
20180172061
2018-06-21

Method of manufacturing washer and washer

#18
20180169736
2018-06-21

Method of manufacturing washer and washer

#19
20170259319
2017-09-14

Sheet material forming

#20
20170196100
2017-07-06

BEZEL OF DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

#21
20170087614
2017-03-30

System, including a bending bar and a bending cage, for bending a plate in a plane of the plate

#22
20170080471
2017-03-23

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

#23
20170072590
2017-03-16

POST WITH METAL CAGE REINFORCEMENT AND METHOD FOR MANUFACTURING SAME

#24
20170042545
2017-02-16

Surgical clip

#25
20160250675
2016-09-01

Bending apparatus and bending method for a plate-shaped metal workpiece

#26
20160193643
2016-07-07

Process for forming aluminum alloy parts with tailored mechanical properties

#27
20160186770
2016-06-30

Method of manufacturing centrifugal fan

#28
20160059291
2016-03-03

Automatic integral forming method for double-curvature plate of ship

#29
20150328672
2015-11-19

Apparatus and method for deforming a surface

#30
20150308452
2015-10-29

Centrifugal fan

#31
20150122801
2015-05-07

Large scale metal forming

#32
20150042019
2015-02-12

Method for forming an angled flange

#33
20140366600
2014-12-18

Curvature retaining device for plate-shaped workpiece, curvature retaining method for plate-shaped workpiece, and curvature forming method for plate-shaped workpiece

#34
20140251933
2014-09-11

SHELVING ASSEMBLY

#35
20140186650
2014-07-03

Method for producing steel profiles

#36
20140008854
2014-01-09

Method and apparatus for forming an angled flange

#37
20130312476
2013-11-28

Portable sheet metal bending brake bar for forming angles and cross breaks in sheet metal

#38
20130309523
2013-11-21

Plate-shaped workpiece forming method

#39
20130228001
2013-09-05

Method for forming an undercut and method for manufacturing a formed article having an undercut

#40
20130213109
2013-08-22

PRESS PRODUCT FORMING METHOD

#41
20130152650
2013-06-20

METHOD AND DEVICE FOR TREATMENT OF CONTINUOUS OR DISCRETE METAL PRODUCTS

#42
20120204993
2012-08-16

Curvilineal closed structure parts and method for manufacturing the same

#43
20120121862
2012-05-17

SHEET MATERIAL WITH BEND CONTROLLING DISPLACEMENTS AND METHOD FOR FORMING THE SAME

#44
20120103053
2012-05-03

Apparatus for bending resilient tab

#45
20120035904
2012-02-09

Apparatus and methods for product acceptance testing on a wireless device

#46
20110305918
2011-12-15

Methods for forming sheet metal components having three-sided corners and related components and systems

#47
20110061431
2011-03-17

PLATE BENDING METHOD AND BENDING ANGLE DETECTION DEVICE

#48
20100279842
2010-11-04

METHOD FOR BENDING SHEET MATERIAL, BENT SHEET MATERIAL AND SYSTEM FOR BENDING SHEET MATERIAL THROUGH ATTACHMENT DEVICES

#49
20100275671
2010-11-04

Forming apparatus and forming method

#50
20100162783
2010-07-01

Split strap

#51
20100147130
2010-06-17

FATIGUE-RESISTANCE SHEET SLITTING METHOD AND RESULTING SHEET

#52
20090128960
2009-05-21

Thin plate formation method, thin plate and suspension correction apparatus, and correction method

#53
20090127241
2009-05-21

Thin plate formation method, thin plate and suspension correction apparatus, and correction method

#54
20090107199
2009-04-30

Flexible forming device for forming three-dimensional shaped workpieces

#55
20090043543
2009-02-12

Method of designing fold lines in sheet material

#56
20080271513
2008-11-06

Curved surface forming apparatus, optical scanning apparatus, and image forming apparatus

#57
20080271511
2008-11-06

SHEET MATERIAL WITH BEND CONTROLLING DISPLACEMENTS AND METHOD FOR FORMING THE SAME

#58
20080121009
2008-05-29

SHEET MATERIAL WITH BEND CONTROLLING DISPLACEMENTS AND METHOD FOR FORMING THE SAME

#59
20080063834
2008-03-13

Sheet material with bend controlling grooves defining a continuous web across a bend line and method for forming the same

#60
20070262128
2007-11-15

Precision folded vehicular structural and aesthetic component and sheet therefor

#61
20070123113
2007-05-31

Method for Forming Angles and Closures in Sheet Material and Sheet Therefor

#62
20060261139
2006-11-23

Apparatus and method for joining the edges of folded sheet material to form three-dimensional structure

#63
20060213245
2006-09-28

Method for forming sheet material with bend controlling displacements

#64
20060139793
2006-06-29

Method of fabricating a workpiece from a sheet of material

#65
20060107728
2006-05-25

Metal shaping apparatus

#66
20060075798
2006-04-13

Sheet material with bend controlling displacements and method for forming the same

#67
20060053857
2006-03-16

Tool system for bending sheet materials and method of using same

#68
20060021413
2006-02-02

Fatigue-resistance sheet slitting method and resulting sheet

#69
20050257589
2005-11-24

Sheet material with bend controlling displacements and method for forming the same

#70
20050173389
2005-08-11

Apparatus for slider curvature modification by substrate melting produced with a pulsed laser beam

#71
20050133485
2005-06-23

Laser irradiation device and method for bending processing

#72
20050115048
2005-06-02

Reshaping tool

#73
20050097937
2005-05-12

Method for forming sheet material with bend controlling grooves defining a continuous web across a bend line

#74
20050086990
2005-04-28

Apparatus and method for forming curvature in sheet metal

#75
20050005670
2005-01-13

Method of designing fold lines in sheet material

#76
15977339
2023-10-24

Tool for curving structural framing components

#77
15086557
2019-08-27

Tool kit for bending a metal tray