Patents-Review.com
ClassID:

118866 ⎘

C21C5/56 - 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 by other methods

Sub-classes:
Recent Application in this class:
#1
20220042743
2022-02-10

Lance unblocking method and apparatus

 #2
20180038650
2018-02-08

Lance unblocking method and apparatus

 #3
20170233840
2017-08-17

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

 #4
20170171919
2017-06-15

Plant and method for melting metal materials

 #5
20170051369
2017-02-23

Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel

 #6
20160320125
2016-11-03

Metallurgical furnace

 #7
20160312320
2016-10-27

Method to operate a smelt cyclone

 #8
20130333523
2013-12-19

Direct smelting process

 #9
20130134050
2013-05-30

Process for iron and steel production

 #10
20130032005
2013-02-07

BENTONITE-BOUND COMPACTS OF UNDERSIZED OXIDIC IRON CARRIERS

 #11
20120301383
2012-11-29

Composition of matter tailoring: system I

 #12
20110185856
2011-08-04

Ironmaking and steelmaking

 #13
20100326237
2010-12-30

Composition of matter tailoring: system I

 #14
20100044935
2010-02-25

Direct smelting vessel and cooler therefor

 #15
20100011908
2010-01-21

PRESSURE CONTROL IN DIRECT SMELTING PROCESS

 #16
20090320647
2009-12-31

Pressure control in direct smelting process

 #17
20090314035
2009-12-24

Method for producing mineral wool

 #18
20090309275
2009-12-17

Direct smelting plant

 #19
20090308205
2009-12-17

DIRECT SMELTING PLANT WITH WASTE HEAT RECOVERY UNIT

 #20
20090229409
2009-09-17

Feed material composition and handling in a channel induction furnace

 #21
20090229408
2009-09-17

Use of a channel induction furnace to process at least one of a molten metal product, a vapor phase metal product and a slag product from a variety of feed materials

 #22
20090229407
2009-09-17

Reductant addition in a channel induction furnace

 #23
20090229406
2009-09-17

Slag control in a channel induction furnace

 #24
20090218737
2009-09-03

Direct smelting plant

 #25
20090194919
2009-08-06

Direct smelting plant

 #26
20090166937
2009-07-02

Direct smelting plant

 #27
20090065986
2009-03-12

Apparatus for injecting solid particulate material into a vessel

 #28
20080272527
2008-11-06

Apparatus for injecting gas into a vessel

 #29
20080265473
2008-10-30

Inducing swirl in a gas flow

 #30
20080258321
2008-10-23

Apparatus for injecting gas into a vessel

 #31
20080237945
2008-10-02

Apparatus for injecting material into a vessel

 #32
20080202061
2008-08-28

Direct smelting plant

 #33
20070261321
2007-11-15

Method of building a direct smelting plant

 #34
20070256518
2007-11-08

Ironmaking and steelmaking

 #35
20070079667
2007-04-12

METHOD OF PRODUCING STAINLESS STEEL BY RE-USING WASTE MATERIAL OF STAINLESS STEEL PRODUCING PROCESS

 #36
20060278042
2006-12-14

Method of producing stainless steel by re-using waste material of stainless steel producing process

 #37
20060196308
2006-09-07

Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace

 #38
20060145128
2006-07-06

Composition of matter tailoring: system I

 #39
20060102881
2006-05-18

Composition of matter tailoring: system I

 #40
20060071376
2006-04-06

Apparatus for injecting solid particulate material into a vessel

 #41
20060065071
2006-03-30

Method for utilizing slag

 #42
20060000309
2006-01-05

Supply recycling system and valuable-metal recovering system

 #43
20050064190
2005-03-24

Composition of matter tailoring: system I