ClassID:

38439

B21D5/004 - CPC Classification

Classification description:

Bending sheet metal along straight lines, e.g. to form simple curves with program control

Recent Application in this class:
#1
20260145216
2026-05-28

PRESS BRAKE AND PRESS BRAKE CONTROL METHOD

#2
20260124658
2026-05-07

PRESS BRAKE AND PRESS BRAKE CONTROL METHOD

#3
20260097820
2026-04-09

MODULAR TRAILER AND EFFICIENCY-MAXIMIZING TRAILER MANUFACTURING PROCESS

#4
20260091422
2026-04-02

ABUTMENT MECHANISM OPERATION CONTROL METHOD, ABUTMENT MECHANISM OPERATION CONTROL PROGRAM, AND ABUTMENT MECHANISM OPERATION CONTROL DEVICE

#5
20250345836
2025-11-13

BENDING METHOD

#6
20250319507
2025-10-16

ACTIVE BACK GAUGE SYSTEM FOR ADJUSTING POSITION OF A PIECE OF SHEET MATERIAL IN A BENDING BRAKE, AND KIT

#7
20250289046
2025-09-18

BENDING SYSTEM AND CORRECTING METHOD FOR TOOL MISALIGNMENT

#8
20250058367
2025-02-20

FULLY-AUTOMATED GENERATION OF FIXED-ANGLE ADDENDUMS FOR USE WITH SHEET FORMING MANUFACTURING

#9
20240408660
2024-12-12

PRESS DEVICE AND METHOD OF PRESSING

#10
20240375167
2024-11-14

BENDING SYSTEM, AND DIVIDED TOOL ARRANGEMENT METHOD

#11
20240253101
2024-08-01

METHODS AND APPARATUS TO CONTROL ROLL-FORMING PROCESSES

#12
20240157425
2024-05-16

Method and device for determining a bending angle on a bending machine

#13
20240017314
2024-01-18

Method for pre-shaping sheet metal, and computer program and device for carrying out the method

#14
20230405659
2023-12-21

FULLY AUTOMATED SHEET METAL BENDING CELL

#15
20230256493
2023-08-17

Channel Letter Return and Trimcap Material Bending Machine

#16
20230219126
2023-07-13

Systems and methods for spingback compensation in bend forming processes

#17
20230084575
2023-03-16

Methods for use in material processing of a two-dimensional sheet like material

#18
20230080845
2023-03-16

System, a computer device and an industrial robot for use in material processing of a two-dimensional sheet like material

#19
20230052057
2023-02-16

Methods and apparatus to control roll-forming processes

#20
20230026862
2023-01-26

Press brake for bending workpieces

#21
20220379366
2022-12-01

Bending Machine And Method For Processing A Workpiece By Means Of A Bending Machine

#22
20220314295
2022-10-06

Automatic tool changer and tool change method

#23
20220314293
2022-10-06

Combination machine for folding and die bending a workpiece

#24
20220288663
2022-09-15

BENDING METHOD AND BENDING SYSTEM

#25
20220241834
2022-08-04

Plant for processing sheet metal, equipped with an image acquisition apparatus, and a method for acquiring images of sheet metal edges in said plant

#26
20220234088
2022-07-28

BENDING SYSTEM

#27
20220226877
2022-07-21

Roll-forming machine and method for roll-forming

#28
20220203429
2022-06-30

BENDING SYSTEM AND CORRECTING METHOD FOR TOOL MISALIGNMENT

#29
20220062965
2022-03-03

Method for calibrating a metal profile blank which is configured as a hollow-chamber profile and which has at least one solid wall

#30
20220048086
2022-02-17

Press brake and management system

#31
20210402450
2021-12-30

Torsion shaft structure based multi-link all-electric servo synchronous bending machine

#32
20210339302
2021-11-04

METHOD FOR OPERATING A BENDING MACHINE

#33
20210325843
2021-10-21

Multi-stage incremental sheet forming systems and methods

#34
20210308732
2021-10-07

Bending machine, machining line and method for bending

#35
20210283674
2021-09-16

High-precision heavy-load numerically-controlled flanging machine

#36
20210283673
2021-09-16

Precision compensation mechanism of full-automatic bidirectional flanging machine

#37
20210276063
2021-09-09

Apparatus for and method of manufacturing roll-formed component

#38
20210237136
2021-08-05

METHOD AND MACHINE SYSTEM FOR CONTROLLING AN INDUSTRIAL OPERATION

#39
20210048790
2021-02-18

PRESS BRAKE CONTROL DEVICE, PRESS BRAKE CONTROL METHOD, TOOL MANAGEMENT METHOD, AND DATA STRUCTURE OF TOOL MANAGEMENT DATA

#40
20210046532
2021-02-18

Press brake system

#41
20210046531
2021-02-18

PRESS BRAKE SYSTEM

#42
20200346265
2020-11-05

Bending machine and method for bending a workpiece out of a flat material

#43
20200338624
2020-10-29

BEND-FORMED LOAD-BEARING STRUCTURE OF A PASSENGER CAR

#44
20200292429
2020-09-17

Deformation limit evaluation method for sheared surface of metal sheet, crack prediction method, and press die designing method

#45
20200269302
2020-08-27

Apparatus and method for support and controlled advancement of a metal sheet in a bending machine for obtaining cylindrical or truncated cone structures

#46
20200180003
2020-06-11

METHOD FOR OPERATING A BENDING MACHINE

#47
20200139417
2020-05-07

Method of aligning a flat or profiled metal sheet

#48
20200122212
2020-04-23

Bending machine and method for controlling the bending machine

#49
20200101622
2020-04-02

Auxiliary bending robot capable of processing two workpieces simultaneously

#50
20190299265
2019-10-03

Device and method for shaping sheet metal

#51
20190240838
2019-08-08

Method for robot to automatically find bending position

#52
20190217358
2019-07-18

Backgauge for a bending machine and method for positioning a backgauge of this kind

#53
20190201959
2019-07-04

Apparatus for and method of manufacturing roll- formed component

#54
20190201958
2019-07-04

Bending tool, in particular an upper tool or a bending punch, and a method for changing the operating mode

#55
20190030582
2019-01-31

Method and machine system for controlling an industrial operation

#56
20190022726
2019-01-24

Large scale metal forming control system and method

#57
20180361451
2018-12-20

Automated press brake or bending machine for bending metal sheet material and method for bending metal sheet material with such an automated press brake or bending machine

#58
20180299867
2018-10-18

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

#59
20180244011
2018-08-30

Adding cutting stations to bending systems

#60
20180236518
2018-08-23

Tool mounting stocker, tool storing device and tool/hand storing device, and tool replacing method by robot and control device thereof

#61
20180133772
2018-05-17

Plate roll bending machine bending control system and method

#62
20180133766
2018-05-17

Plate roll bending machine with roll position feedback contained within roll positioning cylinder

#63
20180071804
2018-03-15

Cooking appliance and method of manufacturing housing of cooking appliance

#64
20170368587
2017-12-28

Automated method and machine for fabricating metal fence pickets

#65
20170333967
2017-11-23

Bending tool having a longitudinal-offset measuring device

#66
20170157659
2017-06-08

METHOD FOR BENDING METAL SHEET AND DEVICE FOR REGULATING RESIDUAL STRESS

#67
20170102796
2017-04-13

Display device for punching or pressing machines

#68
20170100765
2017-04-13

METHOD OF FORMING A TUBULAR MEMBER

#69
20170023455
2017-01-26

Method and device for determining the wear properties of coated flat products by means of bending

#70
20160354821
2016-12-08

Sheet metal bending machine

#71
20160318085
2016-11-03

Machine for bending sheet metal

#72
20160288185
2016-10-06

Method for automatically bending spacer elements for insulating glass panes—double glazings and machine for carrying out the method

#73
20160288184
2016-10-06

Method for Bending Metal Sheet to Achieve High Angle Accuracy

#74
20150266073
2015-09-24

Method for bending a workpiece

#75
20150231680
2015-08-20

Large scale metal forming control system and method

#76
20150174633
2015-06-25

Tool mounting stocker, tool storing device and tool/hand storing device, and tool replacing method by robot and control device thereof

#77
20150068414
2015-03-12

Electric press, bend-point detection method, and program

#78
20150068413
2015-03-12

Electric press, bend-point detection method, and program

#79
20150068412
2015-03-12

Electric press, bend-point detection method, and program

#80
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

#81
20140283572
2014-09-25

Device and method for manufacturing a metal wheel

#82
20140132720
2014-05-15

Display device for punching or pressing machines

#83
20140123723
2014-05-08

Press brake and bending method using press brake

#84
20130345850
2013-12-26

Procedure for controlling the shape of a complex metal profile obtained by a series of successive bendings of a sheet metal on a panel bender

#85
20130340494
2013-12-26

Procedure for the dynamic correction of the bending angle of sheet metal on a panel bender machine

#86
20130298624
2013-11-14

Control and regulating device for a bending press

#87
20130283875
2013-10-31

Method for bending metal sheet and device for regulating residual stress

#88
20130008218
2013-01-10

Method of forming a tubular member

#89
20090293576
2009-12-03

Bending method, and die and bending machine used for the bending method

#90
18648409
2024-12-10

Precision roll bending method, system, and electronic equipment for cylinder with variable curvature section

#91
14228696
2015-08-18

Determining, calibrating, and exporting K-factors and bend allowance