C21B11/00 - CPC Classification Index

ClassID:

118750 ⎘

C21B11/00 - CPC Classification

Classification description:

Making pig-iron other than in blast furnaces

Sub-classes:

C21B11/02 » in low shaft furnaces {or shaft furnaces} 22
C21B11/06 » in rotary kilns 6
C21B11/08 » in hearth-type furnaces 37
C21B11/10 » in electric furnaces 50

Recent Application in this class:

20200363059

2020-11-19

OXYGEN-ENRICHED BURNER AND METHOD FOR HEATING USING OXYGEN-ENRICHED BURNER

20180355448

2018-12-13

Flash ironmaking system and method

20170218479

2017-08-03

Method for converting and separating vanadium, titanium, and iron from vanadium-titanium-iron concentrate in one step

20170211166

2017-07-27

Method for producing pellets and method for producing iron-nickel alloy

20160108498

2016-04-21

Method for recovering rare earth element

20150308746

2015-10-29

Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method

20150176905

2015-06-25

METHOD AND SYSTEM FOR PRODUCING PIG IRON OR FLUID STEEL PRE-PRODUCTS

20150135899

2015-05-21

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

20150013497

2015-01-15

PROCESS FOR RECOVERY OF IRON/STEEL FROM MILL SCALES AND FINES

#10

20140042677

2014-02-13

Process and device for producing pig iron or liquid steel precursors

#11

20130180362

2013-07-18

Partially-reduced iron producing apparatus and partially-reduced iron producing method

#12

20130118306

2013-05-16

Process and plant for producing hot metal

#13

20120036961

2012-02-16

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

#14

20110138965

2011-06-16

Process and device for producing pig iron or liquid steel precursors

#15

20100148410

2010-06-17

Linear hearth furnace system and methods regarding same

#16

20080302211

2008-12-11

Linear hearth furnace system and methods regarding same

#17

20080202061

2008-08-28

Direct smelting plant

#18

20070261321

2007-11-15

Method of building a direct smelting plant

#19

20060143977

2006-07-06

Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof

#20

20050229748

2005-10-20

Linear hearth furnace system and methods regarding same