ClassID:

37709

B21B1/088 - 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 structural sections, i.e. work of special cross-section, e.g. angle steel H- or I-sections

Sub-classes:
Recent Application in this class:
#1
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2025-03-13

METHOD FOR MANUFACTURING A MONOLITHIC COMPONENT

#2
20240110255
2024-04-04

Extra thick hot rolled h section steel and production method therefor

#3
20210370370
2021-12-02

Method for producing H-shaped steel

#4
20210291247
2021-09-23

Bending method

#5
20210252570
2021-08-19

METHOD FOR PRODUCING H-SHAPED STEEL

#6
20200391264
2020-12-17

Steel section rolling mill

#7
20200391261
2020-12-17

METHOD FOR PRODUCING H-SHAPED STEEL

#8
20200338608
2020-10-29

ROLLING METHOD OF SHAPED STEEL, PRODUCTION LINE OF SHAPED STEEL, AND PRODUCTION METHOD OF SHAPED STEEL

#9
20200282438
2020-09-10

Method for producing H-shaped steel

#10
20200078842
2020-03-12

METHOD FOR PRODUCING H-SHAPED STEEL

#11
20190184436
2019-06-20

ROLLED H-SHAPED STEEL AND MANUFACTURING METHOD THEREOF

#12
20190084019
2019-03-21

Method for producing H-shaped steel

#13
20190022719
2019-01-24

METHOD FOR PRODUCING H-SHAPED STEEL

#14
20190009315
2019-01-10

METHOD FOR PRODUCING H-SHAPED STEEL AND ROLLING APPARATUS

#15
20180117651
2018-05-03

Milling apparatus

#16
20180111178
2018-04-26

Method for producing H-shaped steel

#17
20180099323
2018-04-12

ROLLING MACHINE, BENDING METHOD, AND WORKPIECE MATERIAL

#18
20180071801
2018-03-15

Method for producing H-shaped steel and H-shaped steel product

#19
20160376675
2016-12-29

H-section steel and method of producing the same

#20
20160016211
2016-01-21

SYSTEM AND METHOF FOR FABRICATING HOT-ROLLED SEMI LIGHT WEIGHT I-FORM BEAM

#21
20150375286
2015-12-31

Method of manufacturing hot deep drawn steel parts of sheet metal

#22
20150204071
2015-07-23

H-Section steel

#23
20150132597
2015-05-14

Method and device for producing metal profiles having a closely toleranced chamber dimension

#24
20140373589
2014-12-25

Transverse strut and method of forming a transverse strut

#25
20140301888
2014-10-09

High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing same

#26
20120279269
2012-11-08

COMPACT REVERSIBLE UNIVERSAL MILL FOR PRODUCING MEDIUM-LARGE SECTIONS

#27
20080202187
2008-08-28

Method for Straightening Hot Profiled Sections