ClassID:

119427

C22B21/064 - CPC Classification

Classification description:

Obtaining aluminium refining using inert or reactive gases

Recent Application in this class:
#1
20250381595
2025-12-18

Low-Pressure Mold and Production Process for Aluminum Alloy Integrated Brake Calipers

#2
20250327150
2025-10-23

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

#3
20250051885
2025-02-13

HEAT-TREATMENT-FREE DIE-CAST ALUMINUM ALLOY AND PREPARATION METHOD AND APPLICATION THEREOF

#4
20230357888
2023-11-09

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

#5
20220340999
2022-10-27

Device for trapping hydrogen

#6
20220080498
2022-03-17

Molten metal transfer structure and method

#7
20200332392
2020-10-22

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

#8
20200182246
2020-06-11

Open exit molten metal gas injection pump

#9
20200130054
2020-04-30

Transfer system with dual-flow rotor

#10
20200130053
2020-04-30

Molten metal transfer vessel with pump

#11
20200130052
2020-04-30

Method of transferring molten metal

#12
20200130051
2020-04-30

Transfer vessel with dividing wall

#13
20200130050
2020-04-30

Transfer structure with molten metal pump support

#14
20200040429
2020-02-06

RECYCLED ALUMINUM ROD

#15
20190185961
2019-06-20

Ultrasonic Probes with Gas Outlets for Degassing of Molten Metals

#16
20180111189
2018-04-26

Molten metal transfer system and rotor

#17
20170335427
2017-11-23

Method for using a tubular sonotrode

#18
20170276430
2017-09-28

Transferring molten metal from one structure to another

#19
20170219289
2017-08-03

Apparatus for refining molten aluminum alloys

#20
20170167793
2017-06-15

Multi-stage impeller for molten metal

#21
20170166996
2017-06-15

Ultrasonic degassing of molten metals

#22
20170067134
2017-03-09

Ultrasonic probes with gas outlets for degassing of molten metals

#23
20170045298
2017-02-16

Vessel transfer systems and devices

#24
20170009319
2017-01-12

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

#25
20160320131
2016-11-03

Molten metal transfer vessel and method of construction

#26
20160320129
2016-11-03

Vessel transfer insert and system

#27
20160305711
2016-10-20

System and method for degassing molten metal

#28
20160250686
2016-09-01

Vessel transfer insert and system

#29
20160160318
2016-06-09

System and method for adding molten lithium to a molten aluminium melt

#30
20160091251
2016-03-31

Method of transferring molten metal from a vessel

#31
20160082507
2016-03-24

Method of forming transfer well

#32
20150328683
2015-11-19

Molten metal transfer system and rotor

#33
20150328682
2015-11-19

Molten metal transfer system and rotor

#34
20150285557
2015-10-08

Transferring molten metal from one structure to another

#35
20150224574
2015-08-13

Transferring molten metal using non-gravity assist launder

#36
20150192364
2015-07-09

Vessel transfer insert and system

#37
20150167119
2015-06-18

Method of producing porous aluminum

#38
20150135901
2015-05-21

Ultrasonic probes with gas outlets for degassing of molten metals

#39
20140123812
2014-05-08

Ultrasonic device with integrated gas delivery system

#40
20140008848
2014-01-09

Ultrasonic degassing of molten metals

#41
20130306687
2013-11-21

Molten metal transfer and degassing system

#42
20130299525
2013-11-14

Molten metal transfer vessel and method of construction

#43
20130299524
2013-11-14

Molten metal transfer system and rotor

#44
20130292427
2013-11-07

Vessel transfer insert and system

#45
20130292426
2013-11-07

Transfer well system and method for making same

#46
20130214014
2013-08-22

Transferring molten metal using non-gravity assist launder

#47
20130105102
2013-05-02

Transferring molten metal from one structure to another

#48
20120134875
2012-05-31

Aluminum alloy sheet for lithographic printing plate, and manufacturing method thereof

#49
20120090432
2012-04-19

WETTABLE INJECTORS FOR DEGASSING OF MOLTEN METAL

#50
20120042751
2012-02-23

Ultrasonic device with integrated gas delivery system

#51
20110303706
2011-12-15

Launder transfer insert and system

#52
20110247456
2011-10-13

Ultrasonic degassing of molten metals

#53
20110140319
2011-06-16

System and method for degassing molten metal

#54
20110007600
2011-01-13

Device for adding fluid to a liquid

#55
20100289193
2010-11-18

Comprehensive Molten Aluminum Processing System

#56
20100254879
2010-10-07

Method for removing phosphorous and boron from aluminium silicon alloy for use in purifying silicon

#57
20100242677
2010-09-30

NON-FERROUS METAL COVER GASES

#58
20100147113
2010-06-17

Decarbonization process for carbothermically produced aluminum

#59
20100101371
2010-04-29

Rotary stirring device for treating molten metal

#60
20100052227
2010-03-04

Impeller for dispersing gas into molten metal

#61
20090230599
2009-09-17

Molten metal flow powered degassing device

#62
20090229415
2009-09-17

Molten aluminum refining and gas dispersion system

#63
20090136884
2009-05-28

Direct-Fired Furnace Utilizing An Inert Gas To Protect Products Being Thermally Treated In The Furnace

#64
20090071294
2009-03-19

Rotary stirring device for treating molten metal

#65
20090057965
2009-03-05

Furnace filtration system for molten metal

#66
20090042012
2009-02-12

METHOD FOR PRODUCING FOAMED ALUMINUM PRODUCTS BY USE OF SELECTED CARBONATE DECOMPOSITION PRODUCTS

#67
20080314548
2008-12-25

Transferring molten metal from one structure to another

#68
20080307927
2008-12-18

In-line salt refining of molten aluminium alloys

#69
20080245188
2008-10-09

Compact micro-porous media degasser

#70
20080206473
2008-08-28

Material submergence system

#71
20080202290
2008-08-28

System and method for in-line molten metal processing using salt reactant in a deep box degasser

#72
20080066834
2008-03-20

Direct-Fired Furnace Utilizing an Inert Gas to Protect Products Being Thermally Treated in the Furnace

#73
20080000647
2008-01-03

Non-Ferrous Metal Cover Gases

#74
20070235159
2007-10-11

Degassing of molten alloys with the assistance of ultrasonic vibration

#75
20070042312
2007-02-22

Industrial furnace

#76
20060243095
2006-11-02

Method for producing foamed aluminum products by use of selected carbonate decomposition products

#77
20060243094
2006-11-02

Method for producing foamed aluminum products by use of selected carbonate decomposition products

#78
20060180962
2006-08-17

Gas mixing and dispersement in pumps for pumping molten metal

#79
20060125160
2006-06-15

Compact micro-porous media degasser

#80
20060125159
2006-06-15

Material submergence system

#81
20050253315
2005-11-17

Device for injecting a treatment gas into a molten metal

#82
20050236746
2005-10-27

Device for the in-line treatment of liquid metal by means of gas and filtration

#83
20050017417
2005-01-27

Material submergence system

#84
16257289
2019-12-24

Systems, methods, and cored wires for treating a molten metal