ClassID:

37700

B21B1/04 - 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 heavy work, e.g. ingots, slabs billets, in which the cross-sectional form is unimportant in a continuous process

Recent Application in this class:
#1
20250376747
2025-12-11

EXTREMELY THICK STEEL MATERIAL FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD FOR SAME

#2
20250129444
2025-04-24

System and method for producing flat rolled products

#3
20240100590
2024-03-28

CASTING-ROLLING INTEGRATED PLANT AND METHOD FOR PRODUCING A HOT STRIP WITH A FINAL THICKNESS < 1.2 MM ON THE CASTING-ROLLING INTEGRATED PLANT

#4
20220193741
2022-06-23

Heating device for the inductive heating of a flat steel strip in a hot rolling mill

#5
20210362204
2021-11-25

Slab manufacturing method and control device

#6
20190374987
2019-12-12

ROLLING PLANT FOR ROLLING BILLETS OR BLOOMS

#7
20190366471
2019-12-05

Method for producing a continuous strip-shaped composite material

#8
20190329307
2019-10-31

Method and device for producing a continuous strip-shaped composite material

#9
20190270160
2019-09-05

Method and device for producing a continuous strip-shaped composite material

#10
20190024204
2019-01-24

Dual hardness steel article

#11
20180318916
2018-11-08

Method for continuous-casting slab

#12
20180318915
2018-11-08

Method for continuous-casting slab

#13
20180318914
2018-11-08

Method for continuous-casting slab

#14
20180187278
2018-07-05

Steel pipe for line pipe and method of manufacturing the same

#15
20180185954
2018-07-05

METHOD FOR PRODUCING A MATERIAL COMPOSITE IN A ROLLING SYSTEM AND USE OF THE ROLLING SYSTEM

#16
20180073094
2018-03-15

X80 pipeline steel with good strain-aging performance, pipeline tube and method for producing same

#17
20180044754
2018-02-15

STEEL SHEET FOR HOT STAMPING AND METHOD FOR PRODUCING STEEL SHEET FOR HOT STAMPING, AND HOT STAMP FORMED BODY

#18
20180023171
2018-01-25

STEEL SHEET FOR WARM PRESS FORMING, WARM-PRESSED MEMBER, AND MANUFACTURING METHODS THEREOF

#19
20170050239
2017-02-23

Method for continuous-casting slab

#20
20160358684
2016-12-08

Aluminum foil, electronic component wiring board manufactured using the same, and method of manufacturing aluminum foil

#21
20160017455
2016-01-21

Method of making a dual hardness steel article

#22
20140308156
2014-10-16

STEEL SHEET FOR WARM PRESS FORMING, WARM-PRESSED MEMBER, AND MANUFACTURING METHODS THEREOF

#23
20130263436
2013-10-10

Production method of seamless tube using round bar made of high Cr-high Ni alloy

#24
20120174760
2012-07-12

Dual hardness steel article