Patents-Review.com
ClassID:

37707 ⎘

B21B1/085 - 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 Rail sections

Sub-classes:
Recent Application in this class:
#1
20240328575
2024-10-03

CAST-IN SOFFIT CONNECTION RAIL

 #2
20240068063
2024-02-29

MODERATE-STRENGTH STEEL RAIL AND PRODUCTION METHOD THEREOF

 #3
20230264244
2023-08-24

Generating device based on friction drive for gear involute artifact with long-rolled path length by rolling method

 #4
20230250505
2023-08-10

RAIL AND METHOD FOR PRODUCING THE SAME

 #5
20230201898
2023-06-29

Metal material processing machine

 #6
20220112571
2022-04-14

METHOD OF PRODUCING STEEL MATERIAL, APPARATUS THAT COOLS STEEL MATERIAL, AND STEEL MATERIAL

 #7
20210395847
2021-12-23

Rail and method of manufacturing rail

 #8
20200017943
2020-01-16

TRACK PART MADE OF A HYPEREUTECTOID STEEL

 #9
20190106762
2019-04-11

Rail manufacturing method and manufacturing equipment

 #10
20190106761
2019-04-11

RAIL OF RAILWAY WITH PASSENGER AND FREIGHT MIXED TRAFFIC AND MANUFACTURING METHOD THEREOF

 #11
20190105694
2019-04-11

HIGH-CARBON AND HIGH-STRENGTH AND TOUGHNESS PEARLITIC RAIL AND MANUFACTURING METHOD THEREOF

 #12
20190105693
2019-04-11

High-toughness and plasticity hypereutectoid rail and manufacturing method thereof

 #13
20180327880
2018-11-15

METHOD OF PRODUCING STEEL MATERIAL, APPARATUS THAT COOLS STEEL MATERIAL, AND STEEL MATERIAL

 #14
20170283895
2017-10-05

RAIL MANUFACTURING METHOD AND RAIL MANUFACTURING APPARATUS

 #15
20160151816
2016-06-02

Drum, system and method for handling long rolled products coming from different strands of a rolling mill

 #16
20160040263
2016-02-11

Rail manufacturing method and manufacturing equipment

 #17
20150218759
2015-08-06

METHOD FOR PRODUCING BAINITIC RAIL STEELS, TRACK ELEMENT AND INSTALLATION FOR CARRYING OUT THE METHOD

 #18
20140208780
2014-07-31

Cooling system and cooling method of rolling steel

 #19
20130065079
2013-03-14

Steel rail and method of manufacturing the same

 #20
20120168043
2012-07-05

System and method for hardening rails

 #21
20120034053
2012-02-09

Handling machine for rails and handling process associated thereto

 #22
20120018930
2012-01-26

Temperature maintenance and/or possible heating apparatus for long metal products and relative method

 #23
20120018111
2012-01-26

TEMPERATURE MAINTENANCE AND/OR POSSIBLE HEATING APPARATUS FOR LONG METAL PRODUCTS AND RELATIVE METHOD

 #24
20110253268
2011-10-20

High carbon content and high strength heat-treated steel rail and method for producing the same

 #25
20100307646
2010-12-09

Cooling system and cooling method of rolling steel

 #26
20100186857
2010-07-29

INTERNAL HIGH HARDNESS TYPE PEARLITIC RAIL WITH EXCELLENT WEAR RESISTANCE, ROLLING CONTACT FATIGUE RESISTANCE, AND DELAYED FRACTURE PROPERTY AND METHOD FOR PRODUCING SAME

 #27
20100116381
2010-05-13

Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same

 #28
20090314049
2009-12-24

Method for producing pearlitic rail excellent in wear resistance and ductility

 #29
20090200713
2009-08-13

System and method for hardening rails

 #30
20090014099
2009-01-15

Rail manufacturing method

 #31
20070181231
2007-08-09

Method for producing high-carbon steel rails excellent in wear resistance and ductility

 #32
20060016236
2006-01-26

Method and plant for the hot rolling of rails