C21B13/0026 - CPC Classification Index

ClassID:

118759 ⎘

C21B13/0026 - CPC Classification

Classification description:

Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream

Recent Application in this class:

20220411888

2022-12-29

APPARATUS FOR THE PRODUCTION OF MOLTEN IRON

20220389536

2022-12-08

PLASMA INDUCED FUMING FURNACE

20210395844

2021-12-23

FLASH IRONMAKING DROP TUBE FURNACE SYSTEM

20210324280

2021-10-21

Gasifier for organic solid waste by injection into molten iron and slag bath

20210123111

2021-04-29

Direct smelting process with full combustion

20210040572

2021-02-11

Method for off-gas composition control in a metal smelting apparatus

20200048724

2020-02-13

Flash ironmaking drop tube furnace system

20180355448

2018-12-13

Flash ironmaking system and method

20180221947

2018-08-09

Method and apparatus for producing metallic iron from iron oxide fines

#10

20160312321

2016-10-27

Smelting process and apparatus

#11

20160312320

2016-10-27

Method to operate a smelt cyclone

#12

20160060726

2016-03-03

Green process for the preparation of pure iron

#13

20160017458

2016-01-21

Direct smelting process and apparatus

#14

20150135899

2015-05-21

Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unit

#15

20150040722

2015-02-12

Iron reduction process and equipment

#16

20130333523

2013-12-19

Direct smelting process

#17

20120192677

2012-08-02

Method for making liquid iron and steel

#18

20120067171

2012-03-22

Direct smelting process and apparatus