ClassID:

38709

B21D39/037 - 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 otherwise than by folding Interlocking butt joints

Recent Application in this class:
#1
20250249498
2025-08-07

PRESS FORMING MACHINE AND METHOD FOR MANUFACTURING PRESS-FORMED PRODUCT

#2
20250027583
2025-01-23

THIN-WALLED PIPE, METALLIC FLAT MATERIAL AND METHOD FOR PRODUCING A THIN-WALLED PIPE

#3
20210276070
2021-09-09

Aluminum assembly

#4
20190381557
2019-12-19

Joint component manufacturing method

#5
20190247909
2019-08-15

Joint component manufacturing method

#6
20170248176
2017-08-31

Segment and laminated mechanical clutch race for permanently engaged starter one way clutch

#7
20150055904
2015-02-26

Rolling element guide cage and method for producing same

#8
20150048590
2015-02-19

Frame unit for bicycle and method of manufacturing the same

#9
20150040633
2015-02-12

Systems and methods for forming a pipe carcass using multiple strips of material

#10
20120240381
2012-09-27

MOLDED CONNECTION JOINT AND/OR HINGE

#11
20110174868
2011-07-21

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

#12
20110079065
2011-04-07

Sheet metal joint

#13
20110059330
2011-03-10

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

#14
20100071435
2010-03-25

METHOD OF PRODUCING HEAT SHIELD

#15
20080295315
2008-12-04

Method of making a metal frame

#16
20080193714
2008-08-14

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

#17
20080187427
2008-08-07

Load-bearing three-dimensional structure

#18
20080086857
2008-04-17

Tailor welded blank assembly and method

#19
20070113614
2007-05-24

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

#20
20060261139
2006-11-23

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

#21
20060185751
2006-08-24

Pipe body and forming method of the same

#22
20050126110
2005-06-16

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

#23
20050064138
2005-03-24

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