ClassID:

118768

C21B13/0086 - CPC Classification

Classification description:

Making spongy iron or liquid steel, by direct processes Conditioning, transformation of reduced iron ores

Sub-classes:
Recent Application in this class:
#1
20260055477
2026-02-26

A DIRECT REDUCTION FACILITY AND A METHOD OF DIRECT REDUCTION OF METAL OXIDE

#2
20260043103
2026-02-12

OPTIMIZED MELTING OF COMPACTED DRI

#3
20260028688
2026-01-29

FIRED PELLETS FOR REDUCTION AND METHOD FOR PRODUCING SAME

#4
20250122587
2025-04-17

METHOD FOR PRODUCING STEEL USING SUPER-PURE IRON ORE POWDER AND HYDROGEN

#5
20250033308
2025-01-30

APPARATUS FOR PRODUCING HOT BRIQUETTED IRON

#6
20240392399
2024-11-28

INDUCTION HEATING OF DRI

#7
20240344155
2024-10-17

METHOD FOR PRODUCING AN IRON MELT

#8
20240309478
2024-09-19

IRON BRIQUETTES

#9
20240254576
2024-08-01

A method for manufacturing direct reduced iron

#10
20230366051
2023-11-16

Biomass Direct Reduced Iron

#11
20230332259
2023-10-19

METHOD AND SYSTEM FOR HEATING DIRECT REDUCED IRON (DRI) BETWEEN A DRI SOURCE AND PROCESSING EQUIPMENT FOR THE DRI

#12
20230085232
2023-03-16

METHOD FOR PRODUCING SINTERED ORE

#13
20220403481
2022-12-22

System and method for the production of hot briquetted iron (HBI) containing flux and/or carbonaceous material at a direct reduction plant

#14
20220316017
2022-10-06

METHOD OF INTRODUCING A METALLIFEROUS FEED IN AN IRONMAKING PROCESS

#15
20220119900
2022-04-21

HBI slow cooling system and method

#16
20210364237
2021-11-25

Methods for preheating metal-containing pellets

#17
20210301360
2021-09-30

Method and system for heating direct reduced iron (DRI) between a DRI source and processing equipment for the DRI

#18
20210214812
2021-07-15

Method and apparatus for the production of cast iron, cast iron produced according to said method

#19
20190085420
2019-03-21

Direct reduced iron (DRI) heat treatment, products formed therefrom, and use thereof

#20
20180274047
2018-09-27

Method and apparatus for the production of cast iron, cast iron produced according to said method

#21
20180221947
2018-08-09

Method and apparatus for producing metallic iron from iron oxide fines

#22
20180119236
2018-05-03

Direct reduction with coal gasification and coke oven gas

#23
20180036804
2018-02-08

Method and apparatus for producing metallic iron from iron oxide fines

#24
20170233840
2017-08-17

Solid agglomerate of fine metal particles comprising a liquid oily lubricant and method for making same

#25
20170204485
2017-07-20

Hot-briquetting installation

#26
20170058373
2017-03-02

Methods and systems for increasing the carbon content of sponge iron in a reduction furnace

#27
20150345870
2015-12-03

Molten iron manufacturing apparatus and molten iron manufacturing method

#28
20130118306
2013-05-16

Process and plant for producing hot metal

#29
20130032005
2013-02-07

BENTONITE-BOUND COMPACTS OF UNDERSIZED OXIDIC IRON CARRIERS

#30
20120125151
2012-05-24

Integrated steel plant with production of hot or cold DRI

#31
20120100034
2012-04-26

Process for producing sponge iron

#32
20110226092
2011-09-22

Process for producing molten iron and apparatus for producing molten iron

#33
20110094337
2011-04-28

Steelmaking facility comprising a direct reduction plant and an electric-arc furnace

#34
20100270715
2010-10-28

Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons

#35
20100199806
2010-08-12

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

#36
20100058892
2010-03-11

Method for preheating iron agglomerates

#37
20100024595
2010-02-04

Method and apparatus for treating return ores using plasma

#38
20090090216
2009-04-09

Process for producing molten iron and apparatus for producing molten iron

#39
20090051083
2009-02-26

Reduction furnace

#40
20090013828
2009-01-15

Reduction process and plant

#41
20080236335
2008-10-02

Method and system for the supply of hot direct reduced iron for multiple uses

#42
20070296127
2007-12-27

Method and apparatus for cooling reduced-iron agglomerate

#43
20070295165
2007-12-27

Process for Producing Molten Iron and Apparatus Therefor

#44
20070245855
2007-10-25

Method and apparatus for producing direct reduced iron

#45
20070216072
2007-09-20

Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same

#46
20070079666
2007-04-12

Process and plant for reducing solids containing iron oxide

#47
20060162499
2006-07-27

Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same

#48
20060153726
2006-07-13

Hot material conveyor

#49
20050202968
2005-09-15

Oxygen absorber

#50
20050087039
2005-04-28

Method for producing metallic iron