ClassID:

118834

C21C5/462 - 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; Lances or injectors Means for handling, e.g. adjusting, changing, coupling

Recent Application in this class:
#1
20250043370
2025-02-06

Smelting unit for steel production with a tap weight of between 60 t and 350 t

#2
20240229174
2024-07-11

Method of manufacturing steel

#3
20240132983
2024-04-25

Method of manufacturing steel

#4
20240052444
2024-02-15

ROTARY DEVICE FOR TREATING MOLTEN METAL

#5
20210246522
2021-08-12

METHODS FOR CONTROLLING THE POSITION OF FURNASE LANCES

#6
20200354802
2020-11-12

CONTROLLING OPERATION AND POSITION OF A LANCE AND NOZZLE ASSEMBLY IN A MOLTEN METAL BATH IN A VESSEL

#7
20200318208
2020-10-08

Lance with blowout preventer, oxygen flow reducer and improved ignition system

#8
20200246647
2020-08-06

Warning device for dangerous situations

#9
20190010563
2019-01-10

Method of operating a top submerged lance furnace

#10
20180163280
2018-06-14

Metal making lance with infrared camera in lance head

#11
20160047601
2016-02-18

Oxygen lance with at least one coil

#12
20140298955
2014-10-09

Top-blowing lance and method for refining molten iron using the same

#13
20140263703
2014-09-18

Rotational lance drive and rotational lance injection method

#14
20140008846
2014-01-09

Shallow metallurgical wire injection method and related depth control

#15
20130285373
2013-10-31

Multiple secured coupling device for oxygen lances

#16
20120312124
2012-12-13

System for furnace slopping prediction and lance optimization

#17
20120211929
2012-08-23

Post-combustion lance including an internal support assembly

#18
20120175827
2012-07-12

Method and system of removing accretion buildup in a furnace

#19
20120147921
2012-06-14

Wireless lance

#20
20120139171
2012-06-07

Oxygen Lance with Coil

#21
20110209579
2011-09-01

System for furnace slopping prediction and lance optimization

#22
20110198523
2011-08-18

Quick-acting valve having metering relief

#23
20110167963
2011-07-14

Dual outlet injection system

#24
20110156326
2011-06-30

Iron bath-type melting furnace

#25
20110127702
2011-06-02

Dynamic control of lance utilizing counterflow fluidic techniques

#26
20110001021
2011-01-06

Lance holder

#27
20100140853
2010-06-10

Lance holder with multiple-tolerance clamping head

#28
20100044931
2010-02-25

METALLURGICAL VESSEL, IN PARTICULAR ARC FURNACE

#29
20090230597
2009-09-17

Lance for receiving sensor or sampler for metal melts

#30
20090189322
2009-07-30

Post-combustion lance with internal support

#31
20090151510
2009-06-18

Mounting enclosure for burners and particle injectors on an electric arc furnace

#32
20090127752
2009-05-21

Lance extraction

#33
20090065984
2009-03-12

Smelting apparatus

#34
20090057964
2009-03-05

Rotary lance

#35
20090014928
2009-01-15

Gas injection lance

#36
20080308979
2008-12-18

Composite sparger

#37
20080265066
2008-10-30

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

#38
20080245189
2008-10-09

Apparatus for injecting solid particulate material into a vessel

#39
20070210495
2007-09-13

System of gas and/or gas and powders injection in liquid metals through rotary refractory lance

#40
20060108723
2006-05-25

Apparatus for injecting gas into a vessel

#41
20060108722
2006-05-25

Apparatus for injecting gas into a vessel

#42
20050005735
2005-01-13

Mounting enclosure for burners and particle injectors on an electric arc furnace