ClassID:

119298

C22B9/023 - CPC Classification

Classification description:

General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals; Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves; By filtering

Recent Application in this class:
#1
20260061495
2026-03-05

MOLTEN METAL DISPENSING SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING IN SPACE

#2
20250314427
2025-10-09

FURNACE, FLUID FEED COMPONENT, FLUID REFORMING SYSTEM AND METHOD OF REFORMING A FLUID

#3
20250270673
2025-08-28

METHOD OF REFINING METAL AND METHOD OF FABRICATING POSITIVE ELECTRODE ACTIVE MATERIAL USING THE SAME

#4
20250034047
2025-01-30

CERAMIC OBJECTS AND METHODS FOR MANUFACTURING THE SAME

#5
20240424551
2024-12-26

Molten metal filter device for casting vehicle components

#6
20240261852
2024-08-08

APPARATUS AND METHODS FOR FILTERING METALS

#7
20240226785
2024-07-11

HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS

#8
20240131458
2024-04-25

HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS

#9
20230304124
2023-09-28

FILTER HANDLING TOOL

#10
20230104576
2023-04-06

DEVICE AND METHOD FOR EFFICIENTLY SEPARATING ETHYL TIN FROM MOLTEN TIN

#11
20230087550
2023-03-23

Apparatus and methods for filtering metals

#12
20220364791
2022-11-17

FURNACE, FLUID FEED COMPONENT, FLUID REFORMING SYSTEM AND METHOD OF REFORMING A FLUID

#13
20210388464
2021-12-16

Concentration of precious metals and rare earth elements

#14
20210317547
2021-10-14

Process for recovering metals from recycled rechargeable batteries

#15
20210123119
2021-04-29

PROCESS FOR THE RECOVERY OF LITHIUM

#16
20200377969
2020-12-03

Carbothermic direct reduction of chromite using a catalyst for the production of ferrochrome alloy

#17
20200276528
2020-09-03

Ceramic filters

#18
20200157654
2020-05-21

Filter handling tool

#19
20200061697
2020-02-27

Apparatus and method for applying ceramic foam filters for the removal of unwanted inclusions from metal melts

#20
20200030876
2020-01-30

Apparatus and methods for filtering metals

#21
20190390299
2019-12-26

CHELATING POLYMERIC MEMBRANES

#22
20190309392
2019-10-10

PROCESS FOR THE PREPARATION OF A CONCENTRATE OF METALS, RARE METALS AND RARE EARTH METALS FROM RESIDUES OF ALUMINA PRODUCTION BY BAYER PROCESS OR FROM MATERIALS WITH A CHEMICAL COMPOSITION SIMILAR TO SAID RESIDUES, AND REFINEMENT OF THE CONCENTRATE SO OBTAINED

#23
20190270042
2019-09-05

Ceramic foam filter and manufacturing method thereof

#24
20190256947
2019-08-22

PROCESSING OF CLINKER CONTAINING POLYMETALLIC RAW MATERIALS

#25
20180264545
2018-09-20

Apparatus and method for the removal of unwanted inclusions from metal melts

#26
20180193785
2018-07-12

High pressure filter

#27
20180187285
2018-07-05

Method and apparatus for retrieving valuable metals step by step from waste printed circuit board particles

#28
20180078888
2018-03-22

CERAMIC FILTER AND METHOD FOR FORMING THE FILTER

#29
20170341140
2017-11-30

Apparatus and methods for filtering metals

#30
20170292173
2017-10-12

CERAMIC FILTERS AND FILTER SYSTEMS FOR CONTINUOUS METAL MELT FILTRATION

#31
20170252797
2017-09-07

Molten metal filtration device

#32
20170167421
2017-06-15

Engine control sysstem configured to adjust present operation pursuant to predicted duty cycle operating conditions

#33
20170028466
2017-02-02

Filtration device for the filtration of a liquid metal or an alloy thereof, and a filtration method using said filtration device

#34
20160279700
2016-09-29

Device and method for filtering molten metal

#35
20160186290
2016-06-30

METALLURGICAL SLAG COATINGS FOR REFRACTORY SUBSTRATES

#36
20160138129
2016-05-19

Chelating polymeric membranes

#37
20160136634
2016-05-19

CATALYST MANUFACTURING METHOD

#38
20160060728
2016-03-03

Method for processing vanadium-titanium magnetite finished ores by using wet process

#39
20160038866
2016-02-11

Ceramic filters

#40
20150322543
2015-11-12

Apparatus and method for priming a molten metal filter

#41
20150209860
2015-07-30

Liquid device having filter

#42
20150145186
2015-05-28

Higher Strength, Mullite-Based Iron Foundry Filter

#43
20140369903
2014-12-18

Method and system for purifying charged radioisotopes

#44
20140364302
2014-12-11

Porous bodies and methods

#45
20140360316
2014-12-11

Bn or YOcoated ceramic filters used in filtration of aluminum—lithium alloys and reactive alloys

#46
20140284853
2014-09-25

Method for the production of a refractory filter

#47
20130020252
2013-01-24

Filter used for filtering molten metal and preparation method thereof

#48
20120251414
2012-10-04

Porous bodies and methods

#49
20120175804
2012-07-12

LOW EXPANSION CORROSION RESISTANT CERAMIC FOAM FILTERS FOR MOLTEN ALUMINUM FILTRATION

#50
20120144958
2012-06-14

Corrosion resistant glass coating applied to ceramic foam used to filter molten aluminum

#51
20120082603
2012-04-05

Porous bodies and methods

#52
20120079941
2012-04-05

Porous bodies and methods

#53
20120032366
2012-02-09

Method of producing a multi-microchannel, flow-through element and device using same

#54
20120025434
2012-02-02

Method for the production of a refractory filter

#55
20110240245
2011-10-06

Systems and methods for filtering molten metal

#56
20110229390
2011-09-22

Porous bodies and methods

#57
20110229389
2011-09-22

Porous bodies and methods

#58
20110107875
2011-05-12

Method for filtering molten aluminum and molten aluminum alloys

#59
20110049197
2011-03-03

LIQUID DEVICE HAVING FILTER

#60
20110042030
2011-02-24

Filter for use in the casting of aluminium, magnesium, copper alloy and the like

#61
20110039092
2011-02-17

Aluminum sheet material for lithographic printing plates

#62
20100308288
2010-12-09

EXTRACTION DEVICE

#63
20100301528
2010-12-02

CERAMIC FILTER COMPRISING A CARBON COATING AND A METHOD FOR MANUFACTURING THE SAME

#64
20100298124
2010-11-25

Porous bodies and methods

#65
20100282023
2010-11-11

SYSTEM AND METHOD OF PRODUCING AND SEPARATING METALS AND ALLOYS

#66
20100244339
2010-09-30

FILTER HAVING MULTILAYERED STRUCTURE FOR FILTERING IMPURITY PARTICLES FROM MOLTEN METAL

#67
20100194007
2010-08-05

NOVEL FILTRATION SYSTEM FOR LARGE CAST IRON CASTINGS

#68
20100176542
2010-07-15

FILTER DEVICE FOR MOLTEN METAL FILTRATION

#69
20100133106
2010-06-03

Porous bodies and methods

#70
20100116453
2010-05-13

Integrated quiescent processing of melts

#71
20100113244
2010-05-06

Low expansion corrosion resistant ceramic foam filters for molten aluminum filtration

#72
20100025324
2010-02-04

FILTERING MEDIUM FOR MOLTEN METAL AND METHOD FOR PRODUCING THE SAME

#73
20100024602
2010-02-04

Crystallisation method for the purification of a molten metal, in particular recycled aluminium

#74
20090301259
2009-12-10

Method for the separation of molten aluminium and solid inclusions

#75
20090295049
2009-12-03

Filter

#76
20090277302
2009-11-12

Method of copper precipitation in lead-free solder, granulation and separation of (CuX)Sncompounds and recovery of tin

#77
20090123645
2009-05-14

Refractory articles

#78
20090071293
2009-03-19

Filter device for molten metal filtration and method for producing such filters

#79
20090057965
2009-03-05

Furnace filtration system for molten metal

#80
20090031855
2009-02-05

Porous bodies and methods

#81
20080313876
2008-12-25

Extraction device for use when extracting a ceramic foam filter

#82
20080216605
2008-09-11

Method of copper precipitation in lead-free solder, granulation and separation of (CuX)Sncompounds and recovery of tin

#83
20080216601
2008-09-11

Multistage electromagnetic purification method for molten metal

#84
20080202644
2008-08-28

Quiescent transfer of melts

#85
20080173591
2008-07-24

Refractory coating for silica mesh fabric

#86
20080150201
2008-06-26

System and filter for filtering hard alpha inclusions from reactive metal alloys

#87
20080116148
2008-05-22

Treatment of Metal Melts

#88
20070090047
2007-04-26

Refractory articles

#89
20070034298
2007-02-15

Method of producing a multi-microchannel, flow-through element and device using same

#90
20070022841
2007-02-01

Direct casting utilizing stack filtration

#91
20060284351
2006-12-21

Fine pore media and method of making same

#92
20060264315
2006-11-23

Refractory articles

#93
20060236790
2006-10-26

Device and method for measuring metal inclusions

#94
20060123950
2006-06-15

Process for separating TI from a TI slurry

#95
20060086435
2006-04-27

Separation system of metal powder from slurry and process

#96
20050284824
2005-12-29

Filter cake treatment apparatus and method

#97
20050199560
2005-09-15

Interchangeable ceramic filter assembly and molten metal processing apparatus including same

#98
20050115363
2005-06-02

Method and apparatus for processing a suspension

#99
20050029718
2005-02-10

Filtration system for magnesium recycling and purification

#100
17955289
2023-08-22

Purification material for rare earth metal or rare earth alloy and preparation method thereof and purification method for rare earth metal or rare earth alloy

#101
15234330
2019-03-19

Metal treatment station for use with ultrasonic degassing system

#102
15005086
2020-11-03

System and method for recovering base and precious metals