Patents-Review.com
ClassID:

118765 ⎘

C21B13/0066 - CPC Classification

Classification description:

Making spongy iron or liquid steel, by direct processes Preliminary conditioning of the solid carbonaceous reductant

Recent Application in this class:
#1
20250296062
2025-09-25

PRODUCTION DEVICE FOR CARBON MATERIAL, PRODUCTION SYSTEM FOR CARBON MATERIAL, CARBON CIRCULATION SYSTEM, PRODUCTION METHOD FOR CARBON MATERIAL, AND CARBON CIRCULATION METHOD

 #2
20250277157
2025-09-04

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #3
20250257278
2025-08-14

METHODS AND APPARATUS FOR ENHANCING THE ENERGY CONTENT OF CARBONACEOUS MATERIALS FROM PYROLYSIS

 #4
20250257277
2025-08-14

METHODS AND APPARATUS FOR ENHANCING THE ENERGY CONTENT OF CARBONACEOUS MATERIALS FROM PYROLYSIS

 #5
20250075141
2025-03-06

PROCESS FOR PRODUCING HIGH-CARBON BIOGENIC REAGENTS

 #6
20250034666
2025-01-30

IRON RECOVERY

 #7
20240384363
2024-11-21

SOLID AGGLOMERATE FOR USE IN A STEEL REDUCTION FURNACE.

 #8
20240343985
2024-10-17

SYSTEMS AND APPARATUS FOR PRODUCTION OF HIGH-CARBON BIOGENIC REAGENTS

 #9
20240271052
2024-08-15

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #10
20240263095
2024-08-08

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #11
20240254576
2024-08-01

A method for manufacturing direct reduced iron

 #12
20240191316
2024-06-13

Pyrometallurgical Method for Recycling Shredded Material of Waste from the Production of New and Defective or End-of-Life Batteries for Electric Vehicles or Portable Li-Ion Batteries

 #13
20240175100
2024-05-30

COFFEE AS A CARBON SOURCE IN THE PREPARATION OF IRON AND FERRO-ALLOYS

 #14
20240158710
2024-05-16

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #15
20240132795
2024-04-25

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #16
20230357884
2023-11-09

LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PRODUCTION OF REDUCING GAS

 #17
20230332258
2023-10-19

BIOMASS DIRECT REDUCED IRON

 #18
20230303939
2023-09-28

Process for producing high-carbon biogenic reagents

 #19
20230203606
2023-06-29

Biomass Direct Reduced Iron

 #20
20230159840
2023-05-25

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #21
20230092078
2023-03-23

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #22
20230002853
2023-01-05

Production of Iron

 #23
20230002852
2023-01-05

Production of iron

 #24
20220315852
2022-10-06

Systems and apparatus for production of high-carbon biogenic reagents

 #25
20220169936
2022-06-02

Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis

 #26
20210395632
2021-12-23

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #27
20210395631
2021-12-23

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #28
20210395630
2021-12-23

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #29
20210388280
2021-12-16

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #30
20210355403
2021-11-18

High-carbon biogenic reagents and uses thereof

 #31
20210355402
2021-11-18

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #32
20210355401
2021-11-18

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #33
20210355400
2021-11-18

High-carbon biogenic reagents and uses thereof

 #34
20210355399
2021-11-18

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #35
20210355398
2021-11-18

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #36
20210355397
2021-11-18

High-carbon biogenic reagents and uses thereof

 #37
20210355396
2021-11-18

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #38
20210348076
2021-11-11

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

 #39
20210292671
2021-09-23

Systems and apparatus for production of high-carbon biogenic reagents

 #40
20210261877
2021-08-26

High-carbon biogenic reagents and uses thereof

 #41
20210214632
2021-07-15

Process for producing high-carbon biogenic reagents

 #42
20200299599
2020-09-24

Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis

 #43
20200140966
2020-05-07

Classified reduction gasification iron smelting process of iron ore powder and coal powder in a Y-type entrained flow bed

 #44
20190300982
2019-10-03

LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PRODUCTION OF REDUCING GAS

 #45
20190241990
2019-08-08

Production of iron

 #46
20190194561
2019-06-27

Process for producing high-carbon biogenic reagents

 #47
20190169518
2019-06-06

Systems and apparatus for production of high-carbon biogenic reagents

 #48
20180371560
2018-12-27

Method and system for producing high-carbon DRI using syngas

 #49
20180355448
2018-12-13

Flash ironmaking system and method

 #50
20180237870
2018-08-23

Binding process for pyrophoric steelmaking byproducts

 #51
20180127672
2018-05-10

Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis

 #52
20180023166
2018-01-25

Ferrocoke manufacturing method

 #53
20170321139
2017-11-09

High-carbon biogenic reagents and uses thereof

 #54
20170204483
2017-07-20

Methods for utilizing olefin coke in a steel making process and products made therefrom

 #55
20170073781
2017-03-16

Production method of granular metallic iron

 #56
20170037334
2017-02-09

Systems and apparatus for production of high-carbon biogenic reagents

 #57
20170037333
2017-02-09

Process for producing high-carbon biogenic reagents

 #58
20160319382
2016-11-03

SYSTEM FOR AND METHOD OF MANUFACTURING REDUCED IRON

 #59
20160168654
2016-06-16

METHOD FOR MANUFACTURING AGGLOMERATE AND REDUCED IRON

 #60
20160160302
2016-06-09

Fluxing agent, process of its production, agglomeration mixture and use of slug from secondary metallurgy

 #61
20150344989
2015-12-03

Composite briquette for steelmaking or ironmaking furnace charge

 #62
20150329929
2015-11-19

An Efficient Process in the Production of Iron and Steel from Iron Ore

 #63
20150275323
2015-10-01

PRODUCTION OF PIG IRON

 #64
20150115508
2015-04-30

Burning apparatus and method for manufacturing reduced iron using the same

 #65
20150075326
2015-03-19

High-carbon biogenic reagents and uses thereof

 #66
20140110891
2014-04-24

Method and device for charging coal-containing material and iron carrier material

 #67
20140110240
2014-04-24

Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis

 #68
20140101992
2014-04-17

Systems and apparatus for production of high-carbon biogenic reagents

 #69
20130264753
2013-10-10

Process and plant for producing char and fuel gas

 #70
20130047787
2013-02-28

CARBON-MATERIAL-CONTAINING IRON OXIDE BRIQUETTE COMPOSITION, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING DIRECT REDUCED IRON USING THE SAME

 #71
20120285080
2012-11-15

High-carbon biogenic reagents and uses thereof

 #72
20120240725
2012-09-27

CARBON COMPOSITE AGGLOMERATE FOR PRODUCING REDUCED IRON AND METHOD FOR PRODUCING REDUCED IRON USING THE SAME

 #73
20120160060
2012-06-28

Use of bimodal carbon distribution in compacts for producing metallic iron nodules

 #74
20120152061
2012-06-21

Method and system for producing direct reduced iron and/or hot metal using brown coal

 #75
20120144734
2012-06-14

METHOD FOR MANUFACTURING CARBON IRON COMPOSITE

 #76
20120100034
2012-04-26

Process for producing sponge iron

 #77
20120017725
2012-01-26

Briquetting of mill scale

 #78
20120006449
2012-01-12

METHOD FOR PRODUCING METALLIC IRON

 #79
20110308353
2011-12-22

Production of iron from metallurgical waste

 #80
20100300247
2010-12-02

Method for producing reduced metal and slag containing oxidized nonferrous metal using an upgraded coal

 #81
20100263487
2010-10-21

Process and plant for producing char and fuel gas

 #82
20100199806
2010-08-12

Method of producing reduced iron cast, and method of producing pig iron

 #83
20100192726
2010-08-05

Method for reduction treatment of electric furnace dust

 #84
20100031777
2010-02-11

Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method

 #85
20090312448
2009-12-17

Method of agglomeration

 #86
20090282950
2009-11-19

PROCESS FOR PRODUCING METALLIC IRON

 #87
20090183600
2009-07-23

Method for producing metallic iron

 #88
20090031859
2009-02-05

Method for producing metallic iron

 #89
20080295647
2008-12-04

Apparatus for manufacturing molten irons by injecting fine coals into a melter-gasifier and the method using the same

 #90
20080145685
2008-06-19

Lump Object and Method of Producing the Same

 #91
20070295165
2007-12-27

Process for Producing Molten Iron and Apparatus Therefor

 #92
20070209480
2007-09-13

Production of iron using environmentally-benign renewable or recycled reducing agents

 #93
20070186723
2007-08-16

Method to increase the adherence of coating materials on ferrous materials

 #94
20060278041
2006-12-14

Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal

 #95
20060096675
2006-05-11

Method for producing metallic iron

 #96
20050087039
2005-04-28

Method for producing metallic iron

 #97
20050000162
2005-01-06

Method and apparatus for gasifying waste automotive tires to produce high quality solid carbon and non-condensable synthesis gas