C21C5/48 - CPC Classification Index

ClassID:

118846 ⎘

C21C5/48 - CPC Classification

Classification description:

Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel; Manufacture of steel in the converter; Constructional features of converters; Details or accessories Bottoms or tuyéres of converters

Recent Application in this class:

20220235427

2022-07-28

Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick

20220170123

2022-06-02

Refining vessel for high-temperature melt

20220003500

2022-01-06

Gas injection nozzle refractory and gas injection nozzle

20210164065

2021-06-03

Gas purging plug, gas purging system, method for characterization of a gas purging plug and method for purging a metal melt

20190218631

2019-07-18

Bottom stirring tuyere and method for a basic oxygen furnace

20170327914

2017-11-16

GAS PURGING ELEMENT AND CORRESPONDING GAS SUPPLY LINE

20170240983

2017-08-24

ACCESS PORT ARRANGEMENT AND METHOD OF FORMING THEREOF

20170051979

2017-02-23

Securing device for a cylindrical ceramic hollow body and fireproof ceramic gas purging brick having such type of securing device

20160290722

2016-10-06

Gas purging element and associated gas connection element

#10

20160209117

2016-07-21

Refractory ceramic gas purging element

#11

20160153062

2016-06-02

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

#12

20150300741

2015-10-22

Gas purging plug comprising wear indicators

#13

20150211082

2015-07-30

Alloy refining methods

#14

20150184265

2015-07-02

Gas purging element and associated gas feed line

#15

20150115510

2015-04-30

Purge plug

#16

20150102539

2015-04-16

Tilting mechanism for a vessel

#17

20140300036

2014-10-09

Refractory purging devices

#18

20140260804

2014-09-18

Alloy refining methods

#19

20130106035

2013-05-02

Gas blowing nozzle

#20

20120187613

2012-07-26

Tuyere for iron making furnace

#21

20110290075

2011-12-01

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

#22

20110241268

2011-10-06

Method for exchangeably fastening a refractory purge plug or sleeve

#23

20110140321

2011-06-16

TUYER DEVICE FOR INTRODUCING GAS MEDIA UNDER A LIQUID METAL LEVEL

#24

20110101576

2011-05-05

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

#25

20110094920

2011-04-28

Container for molten metal

#26

20100320653

2010-12-23

Tuyere structure of melting furnace

#27

20100207306

2010-08-19

Temperature measuring device

#28

20090194918

2009-08-06

Gas supply system for a metallurgical furnace and method for operating this system

#29

20080136070

2008-06-12

Gas Bubbling Element and Corresponding Gas Bubbling System

#30

20070290418

2007-12-20

Tuyere For Oxygen Blast Furnace Converter System

#31

20070235910

2007-10-11

Double chamber single directional spiral tuyere for blast furnaces

#32

20070132161

2007-06-14

Process for keeping a tuyere passing through a metallurgical vessel free of a skull

#33

20070119966

2007-05-31

Inducing swirl in a gas flow

#34

20070096373

2007-05-03

Tuyere device for introducing gaseous media under a liquid-metal layer

#35

20060273500

2006-12-07

Industrial furnace and associated jet element

#36

20060220282

2006-10-05

Cyclone plug

#37

20060125160

2006-06-15

Compact micro-porous media degasser

#38

20060119019

2006-06-08

Gas flushing device for metallurgical melting pots

#39

20060038327

2006-02-23

Gas supply system for a metallurgical furnace and operating method for said system

#40

20050218568

2005-10-06

Injection device and process for the injection of a fluid

#41

20050012251

2005-01-20

Ladle nozzle for use with molten metals