ClassID:

37739

B21B1/38 - CPC Classification

Classification description:

Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section ; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling

Sub-classes:
Recent Application in this class:
#1
20250121420
2025-04-17

METHOD FOR MANUFACTURING ROLLFORMING FRAME, AND ROLLFORMING FRAME

#2
20250108419
2025-04-03

SINGLE-TOOTH TRACK PLATE COGGING-DOWN PASS AND HOT ROLLING METHOD

#3
20250084499
2025-03-13

METAL PLATE AND METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR MANUFACTURING METAL MASK

#4
20240375165
2024-11-14

METHOD OF MANUFACTURING WIDE EXTRUDED PLATE FOR ROLLING

#5
20240246130
2024-07-25

Corrugated-flat rolling composite method for steel/aluminum/aluminum alloy laminated composite plates

#6
20240043977
2024-02-08

HIGH INTERFACIAL BONDING STRENGTH LAMINATED ALUMINUM ALLOY MANUFACTURING METHOD

#7
20240011295
2024-01-11

VARIABLE SECTION INTERLOCKING STRUCTURAL PANEL

#8
20230191749
2023-06-22

Clad 2XXX-series aerospace product

#9
20230158558
2023-05-25

Method for making a metal material composite

#10
20230149993
2023-05-18

Cell phone frame and method for manufacturing the same

#11
20230001504
2023-01-05

CARBON STEEL AND AUSTENITIC STAINLESS STEEL ROLLING CLAD PLATE MANUFACTURING METHOD THEREFOR

#12
20230001463
2023-01-05

Rolling device capable of applying horizontal vibration for metal clad plates

#13
20220388049
2022-12-08

Rolled (FeCoNiCrRn/Al)-2024Al composite panel and fabrication method thereof

#14
20220241831
2022-08-04

Pulse current assisted uncanned rolling method for titanium-TiAl composite plates

#15
20220184678
2022-06-16

Method for setting roll gap of sinusoidal corrugated rolling for metal composite plate

#16
20220161372
2022-05-26

Method of Manufacturing a Brazing Sheet Product

#17
20220152675
2022-05-19

Method for differential temperature rolling of composite strips based on actions of friction roller and device thereof

#18
20210399652
2021-12-23

Device for converting energy in the atmosphere and method for manufacturing the same

#19
20210299718
2021-09-30

Method for Producing a Composite Material

#20
20210025023
2021-01-28

Duplex stainless clad steel plate and method of producing same

#21
20200362465
2020-11-19

Vapor deposition mask base material, vapor deposition mask base material manufacturing method, and vapor deposition mask manufacturing method

#22
20200256116
2020-08-13

Muntin assembly and method of manufacture

#23
20200101507
2020-04-02

Apparatus and method for forimng fascia molding

#24
20200056375
2020-02-20

Metal roof panel with deformation resistant rib and method of making the same

#25
20200055104
2020-02-20

Two-axis roll forming apparatus

#26
20200001339
2020-01-02

Method for manufacturing clad steel pipe

#27
20190321870
2019-10-24

Method for producing a composite material, and composite material

#28
20190301162
2019-10-03

Metal roof panel with deformation resistant rib and method of making the same

#29
20190241998
2019-08-08

Ferritic stainless steel plate which has excellent ridging resistance and method of production of same

#30
20190193130
2019-06-27

Method of making a battery tray

#31
20190169849
2019-06-06

Metal roof panel with deformation resistant rib and method of making the same

#32
20190091743
2019-03-28

Process for rolling aluminium foils and aluminium foils obtained by said process

#33
20190076908
2019-03-14

Method and Apparatus for Forming Materials with Low Ductility

#34
20190076897
2019-03-14

Aluminum foil for ultraviolet light reflecting materials and method for producing same

#35
20190076896
2019-03-14

Hot-rolled steel sheet and method for manufacturing same

#36
20190066879
2019-02-28

Method and system for forming a multilayer composite structure

#37
20190047256
2019-02-14

Method for manufacturing clad material

#38
20190047254
2019-02-14

Clad material

#39
20190015881
2019-01-17

Aluminum foil rolling process

#40
20190001382
2019-01-03

VARIABLE THICKNESS ROLL-FORMED BLANK AND ROLL-FORMING SYSTEM AND METHOD

#41
20180363093
2018-12-20

Dual-hardness clad steel plate and production method thereof

#42
20180312979
2018-11-01

Vapor deposition mask base material, vapor deposition mask base material manufacturing method, and vapor deposition mask manufacturing method

#43
20180304326
2018-10-25

Clad steel plate with excellent thermal conductivity

#44
20180272684
2018-09-27

Method for engraving aluminium surfaces

#45
20180237882
2018-08-23

Austenitic stainless steel foil

#46
20180200766
2018-07-19

Titanium material for hot rolling

#47
20180169723
2018-06-21

MANUFACTURING METHOD OF THICKNESS-VARIED METAL PLATE, MANUFACTURING METHOD OF PRESSED PART, AND PROCESSING MACHINE

#48
20180142337
2018-05-24

Hot press formed article having good anti-delamination, and preparation method for same

#49
20180133779
2018-05-17

Method and Apparatus for Forming Materials with Low Ductility

#50
20170349988
2017-12-07

Ferritic stainless steel plate which has excellent ridging resistance and method of production of same

#51
20170326606
2017-11-16

System for overturning plate-shaped bodies

#52
20170259320
2017-09-14

Press forming method and plate material expansion device used in said method

#53
20170239755
2017-08-24

Metal plate for laser processing and method for producing stainless steel plate for laser processing

#54
20170182534
2017-06-29

Method for manufacturing hot-rolled steel sheet, steel sheet cutting location setting device, steel sheet cutting location setting method, and steel sheet manufacturing method

#55
20170157618
2017-06-08

Shearing device

#56
20170081525
2017-03-23

Aluminum-copper composite semi-finished product for electrical engineering and method for producing same

#57
20160271674
2016-09-22

Method for preparing metal composite plate strip by rolling

#58
20160271664
2016-09-22

Method for rolling metal composite plate strip

#59
20160236249
2016-08-18

Equipment line for manufacturing heavy-walled steel products

#60
20160067763
2016-03-10

Method of forming a sheet steel workpiece

#61
20150321451
2015-11-12

Bi-material strip and a method of bonding strips of different materials together

#62
20150308174
2015-10-29

TRACK STRUCTURE FOR A SLIDEWAY AND A METHOD FOR MAKING THE SAME

#63
20150285336
2015-10-08

CONTINUOUSLY VARIABLE TRANSMISSION BELT AND MANUFACTURING METHOD THEREFOR

#64
20150175045
2015-06-25

MOTOR VEHICLE SEAT ELEMENT

#65
20150174632
2015-06-25

DUAL SEAM ELECTRIC RESISTANCE WELDED TUBES

#66
20150156930
2015-06-04

Clad type electromagnetic shielding material and method for manufacturing the same

#67
20150151086
2015-06-04

Safety needle devices and related methods

#68
20150099139
2015-04-09

Automotive chassis part made from high strength formable hot rolled steel sheet

#69
20140290322
2014-10-02

Method for producing a component by hot forming a pre-product made of steel

#70
20140287259
2014-09-25

Steel foil and method for manufacturing the same

#71
20140216614
2014-08-07

Ferritic stainless steel plate which has excellent ridging resistance and method of production of same

#72
20140212219
2014-07-31

ROLL-FORMED CONDUIT-ARCH FOR LEACH FIELD

#73
20140099514
2014-04-10

Bi-material strip and a method of bonding strips of different materials together

#74
20140086787
2014-03-27

Method for manufacturing hot-rolled sheet having fine-grained ferrite, and hot-rolled sheet

#75
20140000331
2014-01-02

Method and rolling train for rolling a rolled stock produced in an ingot casting process, open- and/or closed-loop control device for a rolling train, machine-readable program code for an open- and/or closed-loop control device, and storage medium

#76
20130258642
2013-10-03

Back plate for use with a backlight module, a backlight module using the same, and the manufacturing method thereof

#77
20110308660
2011-12-22

Dual seam electric resistance welded tubes

#78
20100242559
2010-09-30

METHOD OF PRODUCING ALUMINUM PRODUCTS

#79
20100143743
2010-06-10

STAINLESS STEEL SUBSTRATE WITH CONDUCTIVE METAL LAYER, HARD DISK SUSPENSION MATERIAL AND HARD DISK SUSPENSION MANUFACTURED BY USING THE MATERIAL

#80
20100108202
2010-05-06

Method of manufacturing high tensile strength thick steel plate

#81
20100089505
2010-04-15

Method for manufacturing hot-rolled sheet having fine-grained ferrite, and hot-rolled sheet

#82
20100003540
2010-01-07

Multilayer steel and method for producing multilayer steel

#83
20080290143
2008-11-27

Method of solid phase welding of metal plates

#84
20080209970
2008-09-04

Rolling mill for rolling metallic material

#85
20070144229
2007-06-28

Method for reducing shearing and crop losses at rolling of assembled slabs

#86
20060186178
2006-08-24

Method for the production of a strip comprising a staggered profile that runs in the longitudinal direction thereof

#87
19214067
2025-09-30

Electrically-assisted tooth-shaped rolling process and device for preparing gradient ultrafine-grained sheet