C21B7/163 - CPC Classification Index

#1

20260043099

2026-02-12

METHOD FOR OPERATING A SMELTING FURNACE INSTALLATION

#2

20250101539

2025-03-27

BLAST FURNACE BLOWER DEVICE

#3

20250027176

2025-01-23

Injection Regulation and Control Device and Method for Blast Furnace Low-Carbon Smelting

#4

20230366050

2023-11-16

Device to inject a reducing gas into a shaft furnace

#5

20220380860

2022-12-01

METHOD OF OPERATING BLAST FURNACE AND BLAST FURNACE ANCILLARY FACILITY

#6

20220298591

2022-09-22

Tuyere stock, method of fabricating the same, and air blast system for melting furnace

#7

20180312934

2018-11-01

Fluid assisted particle injector

#8

20180044745

2018-02-15

Method for operating blast furnace

#9

20180031323

2018-02-01

Optical monitoring system for observing internal conditions in the tuyere zone of a blast furnace

#10

20180023152

2018-01-25

Method for operating blast furnace

#11

20170234619

2017-08-17

Method for blowing substitute reducing agents into a blast furnace

#12

20160153715

2016-06-02

Solids injection lance

#13

20160153062

2016-06-02

Method of detecting abnormality at blast furnace and method of operating blast furnace

#14

20160053338

2016-02-25

Blast furnace operation method

#15

20160040261

2016-02-11

Blast furnace operation method and lance

#16

20150284816

2015-10-08

SLAG REMOVAL DEVICE

#17

20150275322

2015-10-01

BLOW-PIPE STRUCTURE

#18

20150247212

2015-09-03

BLOW PIPE STRUCTURE

#19

20150184263

2015-07-02

Blast furnace operating method and tube bundle-type lance

#20

20150021837

2015-01-22

System of leaktight connection between a tuyere and a hot blast inlet nozzle for a shaft furnace, and steel-making blast furnace comprising such a system

#21

20150008626

2015-01-08

Blast furnace

#22

20140159287

2014-06-12

Method for operating a blast furnace

#23

20140138883

2014-05-22

Melting reduction assembly and method for operating a melting reduction assembly

#24

20140131929

2014-05-15

Method for operating a blast furnace

#25

20130146680

2013-06-13

Injection lance with variable swirl

#26

20130061786

2013-03-14

Tuyere stock arrangement of a blast furnace

#27

20120187613

2012-07-26

Tuyere for iron making furnace

#28

20120036961

2012-02-16

Method and system for producing pig iron or fluid steel pre-products

#29

20120007291

2012-01-12

Tuyere stock arrangement for a blast furnace and method for feeding hot blast into a blast furnace

#30

20110290075

2011-12-01

Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe

#31

20110272868

2011-11-10

Bustle pipe arrangement

#32

20110253017

2011-10-20

Bustle pipe arrangement

#33

20110180978

2011-07-28

Method for feeding pulverised coal into a blast furnace

#34

20110101576

2011-05-05

Tuyere for Manufacturing Molten Iron and Method for Injecting Gas Using the Same

#35

20110088600

2011-04-21

Eddy-free high velocity cooler

#36

20100001443

2010-01-07

Pulverized coal injection lance

#37

20080308979

2008-12-18

Composite sparger

#38

20080277843

2008-11-13

Method for supersonically injecting oxygen into a furnace

#39

20080265066

2008-10-30

Removable nozzle for use with air cannons and aerators and method for replacing same

#40

20080211148

2008-09-04

Apparatus and method for injection of fluid hydrocarbons into a blast furnace

#41

20070290418

2007-12-20

Tuyere For Oxygen Blast Furnace Converter System

#42

20070235910

2007-10-11

Double chamber single directional spiral tuyere for blast furnaces

#43

20070205543

2007-09-06

Oxidant-swirled fossil fuel injector for a shaft furnace

#44

20050206051

2005-09-22

Tuyere cooling system