ClassID:

38698

B21D39/02 - CPC Classification

Classification description:

Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating ; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder

Sub-classes:
Recent Application in this class:
#1
20260146657
2026-05-28

SQUEALER BAND DESIGN FOR STEEL SHELL BRAKE DRUMS

#2
20260145221
2026-05-28

FLOW PATH FORMING MEMBER, MANUFACTURING METHOD THEREFOR, AND MANUFACTURING APPARATUS THEREOF

#3
20250329818
2025-10-23

BATTERY MODULE AND METHOD OF MANUFACTURING THE SAME

#4
20250309321
2025-10-02

APPARATUS FOR FORMING FOLDING GUIDE LINE AND BATTERY CELL

#5
20250235920
2025-07-24

Fold Forming Tool, Fold Forming Device, Method for Producing a Folded/Bonded Connection, and Vehicle With Folded/Bonded Connection

#6
20250178063
2025-06-05

SWIVEL BENDING MACHINE FOR CREATING AN OPEN HEM ON A SHEET AND SHEET BENDING METHOD

#7
20250144696
2025-05-08

Pouch Folding Device for Secondary Battery and Secondary Battery

#8
20250135524
2025-05-01

Sealed Portion Folding Apparatus and Method for Pouch-Shaped Battery Cells

#9
20250128313
2025-04-24

METHOD OF MANUFACTURING FORMED PRODUCT

#10
20250115984
2025-04-10

DEFORMED ALUMINUM ALLOY CASTING AND METHOD OF MANUFACTURING THE SAME

#11
20250114836
2025-04-10

METHOD OF ASSEMBLING A PUMP HAVING A NONCIRCULAR JOINT

#12
20250041927
2025-02-06

SEAMING UNIT AND METHOD FOR SEAMING A THIN-WALLED NON-CYLINDRICAL CAN

#13
20250010064
2025-01-09

FIXATION COMPONENTS FOR IMPLANTABLE MEDICAL DEVICES

#14
20240410075
2024-12-12

COMPOSITE CARBON NANOTUBE STRUCTURES

#15
20240401726
2024-12-05

SYSTEM AND METHOD FOR FORMING A FULL ENGAGEMENT MALE LOCK IN A DUCTLINE

#16
20240376805
2024-11-14

Composite Punched Screen for High Pressure Applications

#17
20240108885
2024-04-04

FIXATION COMPONENTS FOR IMPLANTABLE MEDICAL DEVICES

#18
20240102740
2024-03-28

RIBBED TUBELESS HEAT EXCHANGER FOR FLUID HEATING SYSTEMS INCLUDING A RIB COMPONENT AND METHODS OF MANUFACTURE THEREOF

#19
20230322009
2023-10-12

Book or booklet cover and a method of making a book or booklet cover

#20
20230017453
2023-01-19

Tubeless heat exchanger for fluid heating systems

#21
20230016467
2023-01-19

Composite carbon nanotube structures

#22
20220260100
2022-08-18

Sheet metal corner hem interlock

#23
20220119051
2022-04-21

Single press ring groove for a cartridge pin assembly

#24
20220029141
2022-01-27

Multistage plunger systems and methods for forming battery cell tabs

#25
20220003340
2022-01-06

SYSTEM AND METHOD FOR FORMING A FULL ENGAGEMENT MALE LOCK IN A DUCTLINE

#26
20210293024
2021-09-23

VERSATILE MANUAL CRIMPER FOR ROOF SEAMING

#27
20210283674
2021-09-16

High-precision heavy-load numerically-controlled flanging machine

#28
20210170469
2021-06-10

Roll-forming tool for creating a noncircular feature, method of creating a noncircular feature, and method of assembling a pump having a noncircular joint

#29
20210162699
2021-06-03

Combined sheets and method and system for producing same

#30
20200338617
2020-10-29

Roller hemming device and preliminary bending method using the device

#31
20200306522
2020-10-01

Fixation components for implantable medical devices

#32
20200276629
2020-09-03

Apparatus and method for manufacturing container upper plate including handle coupled thereto

#33
20200230685
2020-07-23

PITTSBURGH HAND TOOL

#34
20200103137
2020-04-02

Method and apparatus for metal positioning and forming

#35
20200016646
2020-01-16

Automatic precision clinching system for manufacturing sheet metal tubes

#36
20190366410
2019-12-05

Forming system

#37
20190344320
2019-11-14

Seam sealing assembly

#38
20190314883
2019-10-17

DEVICE AND PROCESS FOR THE PRODUCTION OF ANGLED OR DOUBLE STANDING SEAMS

#39
20190284866
2019-09-19

Knurling Apparatus and Methods for Architectural Assemblies

#40
20190255586
2019-08-22

WORKPIECE BENDING METHOD AND WORKPIECE BENDING APPARATUS

#41
20190255585
2019-08-22

Assembly for manufacturing a metal part and use of such an assembly

#42
20190242524
2019-08-08

HIGH PRESSURE CYLINDER

#43
20190204011
2019-07-04

Tubeless heat exchanger for fluid heating systems

#44
20190120561
2019-04-25

Heat exchanger and manufacturing method thereof

#45
20190086099
2019-03-21

One-piece sheet-metal structure formed with clench locked corners

#46
20190076908
2019-03-14

Method and Apparatus for Forming Materials with Low Ductility

#47
20190070655
2019-03-07

Roller hemming apparatus

#48
20180340266
2018-11-29

Method for Manufacturing a Product from a Flexibly Rolled Strip Material

#49
20180333770
2018-11-22

METHOD, STRUCTURE AND TOOL OF RIVETING SHEET

#50
20180304938
2018-10-25

Tubular component with an extruded profile

#51
20180298980
2018-10-18

Low frequency torsional vibration damper having a formed hub

#52
20180274811
2018-09-27

Sealed Drive Slip

#53
20180207902
2018-07-26

SANDWICH STRUCTURE

#54
20180200774
2018-07-19

Rolling-swaging tool and method for closing opening of cylindrical member using same

#55
20180133779
2018-05-17

Method and Apparatus for Forming Materials with Low Ductility

#56
20180078993
2018-03-22

Method of forming a closed cross-sectional structure

#57
20180065168
2018-03-08

SEAMING DEVICE

#58
20170320119
2017-11-09

Apparatus for manufacturing elbow-shaped duct

#59
20170276262
2017-09-28

Manufacturing process for making a bracket and tubing assembly

#60
20170211840
2017-07-27

Duct blank seam and apparatus for making a duct blank seam

#61
20170151602
2017-06-01

Roller hemming tool

#62
20170144211
2017-05-25

Apparatus and method for production of duct members

#63
20170074031
2017-03-16

Window spacer frame crimping assembly

#64
20170051895
2017-02-23

Method for manufacturing a linear lighting device

#65
20170050488
2017-02-23

Structure of semi-finished product for movement restriction member, apparatus for attaching semi-finished product to bar member, structure for attachment of semi-finished product and bar member, and method of attaching semi-finished product

#66
20170016625
2017-01-19

One-piece sheet-metal structure formed with clench locked corners

#67
20160169587
2016-06-16

Ribbed tubeless heat exchanger for fluid heating systems including a rib component and methods of manufacture thereof

#68
20160160526
2016-06-09

Fencing assembly apparatus

#69
20160158824
2016-06-09

Roller hemming apparatus

#70
20160144419
2016-05-26

Machine tool drive system

#71
20160074923
2016-03-17

METHOD FOR PRODUCING STEEL PROFILES

#72
20160038986
2016-02-11

Roll former

#73
20160023794
2016-01-28

Method of manufacturing and fixing metal label

#74
20150290697
2015-10-15

METHOD FOR MAKING A HEMMED STRUCTURE OF METAL PANELS

#75
20150246609
2015-09-03

Tank recess

#76
20150165724
2015-06-18

Sandwich structure

#77
20150165511
2015-06-18

Method and apparatus that forms a closed cross-sectional structure

#78
20150118513
2015-04-30

Duct blank seam and apparatus for making a duct blank seam

#79
20150114070
2015-04-30

Method and apparatus that forms a closed cross-sectional structure

#80
20150104242
2015-04-16

Non detachable body connection system with connection ring for emergency brake cylinders

#81
20150047409
2015-02-19

Hemming a flange with compression to form a sharp edge

#82
20140290064
2014-10-02

Method of joining aluminium alloy sheets of the AA7000-series

#83
20140259601
2014-09-18

Apparatus and method for production of adjustable duct member

#84
20140186650
2014-07-03

Method for producing steel profiles

#85
20140134450
2014-05-15

Method for Manufacturing a Product from a Flexibly Rolled Strip Material

#86
20140070561
2014-03-13

Tank recess

#87
20130333867
2013-12-19

Assembly of two parts crimped one over the other

#88
20130333845
2013-12-19

Method for wrapping a flexible cover sheet on a panel

#89
20130312866
2013-11-28

Duct blank seam and apparatus for making a duct blank seam

#90
20130133395
2013-05-30

Stamping Die of Joining Backplane and Processing Method of Joining Backplane

#91
20130098135
2013-04-25

Hemming a flange with compression to form a sharp edge

#92
20120318031
2012-12-20

Ductmaking apparatus

#93
20120297583
2012-11-29

Zipper Component and Slide Zipper, and Method for Producing Zipper Component

#94
20120285020
2012-11-15

Method for wrapping a flexible cover sheet on a panel

#95
20120260713
2012-10-18

Method for forming a duct

#96
20120234289
2012-09-20

Behnam engine

#97
20120214015
2012-08-23

Hemmed metal panels, hemming apparatuses, and hemming methods

#98
20120202013
2012-08-09

System and method for sealing a hemmed closure

#99
20120162944
2012-06-28

METHOD FOR CONNECTING HOUSING PARTS

#100
20120094267
2012-04-19

Continuous diorama

#101
20120085521
2012-04-12

Furnace heat exchanger attachment

#102
20120028233
2012-02-02

Continuous diorama and method of making the same

#103
20120018135
2012-01-26

HEADER PLATE, A HEAT EXCHANGER, A METHOD OF MAKING A HEADER PLATE AND A METHOD OF MAKING A HEAT EXCHANGER

#104
20110302985
2011-12-15

Reciprocating devices for forming, folding, and/or hemming and methods therefor

#105
20110174409
2011-07-21

Closed structure parts, method and press forming apparatus for manufacturing the same

#106
20110174048
2011-07-21

REFLARE TOOL AND PROCESS

#107
20110121569
2011-05-26

Standing seam connectors for ducting

#108
20110086751
2011-04-14

Apparatus and method for securing an end cap to a shell

#109
20110083316
2011-04-14

RIVETING DEVICE FOR METAL SHEETS

#110
20110079067
2011-04-07

Roofing Panel Hemming Tool

#111
20110035976
2011-02-17

Diorama and method of making the same

#112
20110030446
2011-02-10

Apparatus for forming a duct

#113
20100219167
2010-09-02

METHOD AND DEVICE FOR THE MARGINAL CONNECTION OF SHEET METALS USING A CONNECTING DEVICE FOR LASER OPTICS

#114
20100139358
2010-06-10

Method for manufacturing S-shaped bent edge on heat-isolating protection metal component

#115
20100136382
2010-06-03

Mechanically joined bipolar plates and method therefor

#116
20100077822
2010-04-01

Duct blank seam and apparatus for making a duct blank seam

#117
20100077821
2010-04-01

Duct making apparatus and method

#118
20100037668
2010-02-18

METHOD AND SYSTEM FOR MAKING A WINDOW WELL

#119
20090320545
2009-12-31

Gutter guard forming machine

#120
20090272165
2009-11-05

Electrohydraulic trimming, flanging, and hemming of blanks

#121
20090084152
2009-04-02

Ductmaking apparatus

#122
20080286552
2008-11-20

Method for manufacturing of cellular board, cellular board, method for producing cellular board element of steel plate strip, and production line

#123
20080173062
2008-07-24

Fitting device for producing the arrangement for locking a sealing element, arranged at the front end on a rotor of a turbine, against a displacement in the circumferential direction, and method of producing such a locking arrangement

#124
20080134495
2008-06-12

METHOD FOR MANUFACTURING METAL SEPARATOR FOR FUEL CELL

#125
20080083258
2008-04-10

Tilting System for a Flanging Device

#126
20080028595
2008-02-07

Deck tool

#127
20070240474
2007-10-18

Crimping Tool

#128
20070036610
2007-02-15

Joining frame components with a Z connection

#129
20060263623
2006-11-23

Aluminum alloy plate member having hem portion

#130
20060218986
2006-10-05

Method and device for machining flange part of wheel arch

#131
20060123615
2006-06-15

Robotic pallet drive arrangement in a robotic roller hemming system

#132
20060117828
2006-06-08

Short-flanged sheet material forming and joining

#133
20060042340
2006-03-02

System and method for hemming vehicle sheet metal

#134
20050050934
2005-03-10

Crimping blade profile

#135
16229289
2019-12-17

Trailer wall including logistics post

#136
15683541
2018-12-11

Metal tab bending tool and method for securing an upright stud in place and relative to an elongated track

#137
15591137
2020-03-03

Self-retaining door edge guard

#138
14714393
2016-11-15

Process for making an interlocking flanged bushing and products made by this process

#139
13190114
2018-03-27

Motorized crimper apparatus