ClassID:

120900

C25C3/08 - CPC Classification

Classification description:

Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium Cell construction, e.g. bottoms, walls, cathodes

Sub-classes:
Recent Application in this class:
#1
20260103816
2026-04-16

COPPER-COATED TITANIUM DIBORIDE ARTICLES

#2
20260092389
2026-04-02

CATHODE COLLECTOR BAR OF AN ALUMINIUM PRODUCTION CELL

#3
20260043163
2026-02-12

PRODUCTS, SYSTEMS, AND METHODS FOR TRANSPORTING METAL

#4
20250341012
2025-11-06

A METHOD OF RECOVERING ONE OR MORE METAL SPECIES

#5
20250305172
2025-10-02

ALUMINIUM SMELTING METHOD & APPARATUS

#6
20250305171
2025-10-02

MATERIAL COMPONENTS PROTECTION AGAINST THE CORROSIVE ACTION CRYOLITE MELTS IN ALUMINIUM REDUCTION CELLS

#7
20250270724
2025-08-28

A PROCESS AND APPARATUS FOR PRODUCTION OF ALUMINIUM, AND A PROCESS AND APPARATUS FOR PRODUCTION OF AN ALUMINIUM CHLORIDE CONTAINING FEEDSTOCK

#8
20250207282
2025-06-26

DEVICE AND METHOD FOR METAL PREPARATION BY ELECTRO-REDUCTION OF MOLTEN SALT

#9
20240425378
2024-12-26

ELECTRODES FOR ALUMINUM ELECTROLYSIS CELLS AND METHODS OF MAKING THE SAME

#10
20240295043
2024-09-05

ADVANCED PURIFICATION CELL FOR ALUMINUM SCRAP RECYCLING

#11
20240287695
2024-08-29

ADVANCED PURIFICATION CELL FOR ALUMINUM SCRAP RECYCLING

#12
20240247391
2024-07-25

METHOD FOR PRODUCING METALLIC ALUMINUM AND POLYSILICON WITH HIGH-SILICON ALUMINUM-CONTAINING RESOURCE

#13
20240240342
2024-07-18

CATHODE CURRENT COLLECTOR BAR OF AN ALUMINIUM PRODUCTION CELL

#14
20240240341
2024-07-18

MATERIAL COMPONENTS PROTECTION AGAINST THE CORROSIVE ACTION CRYOLITE MELTS IN ALUMINIUM REDUCTION CELLS

#15
20240141529
2024-05-02

METHOD FOR PRODUCING METAL ALUMINUM BY MOLTEN SALT ELECTROLYSIS OF ALUMINUM OXIDE

#16
20240035181
2024-02-01

METHOD FOR PRODUCING A CATHODE STEEL BAR WITH COPPER INSERT, AND METHOD FOR REMOVING A COPPER INSERT FROM A USED CATHODE BAR

#17
20230120820
2023-04-20

Method for recycling spent carbon cathode of aluminum electrolysis

#18
20230110453
2023-04-13

ENVIRONMENT FRIENDLY COLD RAMMING MIXTURE

#19
20230021762
2023-01-26

Material components protection against the corrosive action cryolite melts in aluminium reduction cells

#20
20220186393
2022-06-16

SYSTEM AND METHOD FOR COLLECTING AND PRE-TREATING PROCESS GASES GENERATED BY AN ELECTROLYSIS CELL

#21
20220112617
2022-04-14

Apparatuses and systems for vertical electrolysis cells

#22
20220090279
2022-03-24

Material components protection against the corrosive action cryolite melts in aluminium reduction cells

#23
20210363652
2021-11-25

MULTILAYER TRANSITION JOINT FOR ALUMINUM SMELTER AND METHOD OF MAKING

#24
20210355592
2021-11-18

COPPER-COATED TITANIUM DIBORIDE ARTICLES

#25
20210355591
2021-11-18

Cathode assembly for an electrolytic cell

#26
20210332490
2021-10-28

Electrode configurations for electrolytic cells and related methods

#27
20200332427
2020-10-22

CATHODE ELEMENTS FOR A HALL-HÉROULT CELL FOR ALUMINIUM PRODUCTION AND A CELL OF THIS TYPE HAVING SUCH ELEMENTS INSTALLED

#28
20200263313
2020-08-20

Systems and methods for molten oxide electrolysis

#29
20200010967
2020-01-09

Electrode configurations for electrolytic cells and related methods

#30
20190376197
2019-12-12

Systems and methods for purifying aluminum

#31
20190301033
2019-10-03

Cathode block having a slot geometry

#32
20190301032
2019-10-03

Aluminum hydroxide solar powered thermal reduction device for aluminum-air fuel cell

#33
20190292670
2019-09-26

Method and apparatus for producing electrolytic aluminum foil

#34
20190284711
2019-09-19

Cathode current collector/connector for a Hall-Heroult cell

#35
20190271092
2019-09-05

Cathode assembly for the production of aluminum

#36
20190169761
2019-06-06

Advanced aluminum electrolysis cell

#37
20190055660
2019-02-21

Composition for making wettable cathode in aluminum smelting

#38
20190032232
2019-01-31

SYSTEMS AND METHODS OF PROTECTING ELECTROLYSIS CELLS

#39
20190031961
2019-01-31

Coke with additives

#40
20180282888
2018-10-04

CATHODE BOTTOM FOR PRODUCING ALUMINUM

#41
20180237926
2018-08-23

Lining of a cathode assembly of a reduction cell for production of aluminum, method for installation thereof and reduction cell having such lining

#42
20180209056
2018-07-26

SYSTEMS AND METHODS OF PROTECTING ELECTROLYSIS CELL SIDEWALLS

#43
20180087167
2018-03-29

AN ASSEMBLY BODY AND ELECTRODE FOR ELECTROLYSIS

#44
20170350028
2017-12-07

Modified electrolysis cell and a method for modifying same

#45
20170321337
2017-11-09

Method and apparatus for lining the cathode of the electrolytic cell

#46
20170283968
2017-10-05

Apparatuses and systems for vertical electrolysis cells

#47
20170275773
2017-09-28

Electrode configurations for electrolytic cells and related methods

#48
20160258072
2016-09-08

SYSTEMS AND METHODS OF PROTECTING ELECTROLYSIS CELLS

#49
20160230297
2016-08-11

Systems and methods for purifying aluminum

#50
20160215406
2016-07-28

Method for producing metal and method for producing refractory metal

#51
20160151839
2016-06-02

Method for fabricating a dense, dimensionally stable, wettable cathode substrate in situ

#52
20160108532
2016-04-21

METHOD AND APPARATUS FOR LIQUID METAL ELECTRODE CONNECTION IN PRODUCTION OR REFINING OF METALS

#53
20160068980
2016-03-10

Systems and methods of protecting electrolysis cell sidewalls

#54
20160068979
2016-03-10

Systems and methods of protecting electrolysis cell sidewalls

#55
20150337446
2015-11-26

Aluminum electrolysis cell cathode shunt design

#56
20150284863
2015-10-08

Lining for an aluminum electrolyzer having inert anodes

#57
20150275381
2015-10-01

Method and apparatus for lining the cathode of the electrolytic cell

#58
20150144481
2015-05-28

Production of BN-Composite Materials

#59
20150136612
2015-05-21

Direct-current shunt preheating start method for an inert electrode aluminum electrolysis cell

#60
20150122664
2015-05-07

ELECTROLYSIS TANK USED FOR ALUMINUM ELECTROLYSIS AND ELECTROLYSIS PROCESS USING THE ELECTROLYZER

#61
20150083584
2015-03-26

Electrolysis cell, in particular for the production of aluminum

#62
20150075975
2015-03-19

COMPOSITION FOR MAKING WETTABLE CATHODE IN ALUMINUM SMELTING

#63
20140272116
2014-09-18

Titanium diboride granules as erosion protection for cathodes

#64
20140262808
2014-09-18

Systems and methods of protecting electrolysis cells

#65
20140262807
2014-09-18

Systems and methods of protecting electrolysis cell sidewalls

#66
20140209457
2014-07-31

ALUMINUM SMELTER COMPRISING ELECTRICAL CONDUCTORS MADE FROM A SUPERCONDUCTING MATERIAL

#67
20140202873
2014-07-24

SYSTEM AND METHOD FOR CONTROL PF LAYER FORMATION IN AN ALUMINUM ELECTROLYSIS CELL

#68
20140166502
2014-06-19

Process for recovering metals and an electrolytic apparatus for performing the process

#69
20140138241
2014-05-22

Aluminum smelter comprising electrical conductors made from a superconducting material

#70
20140138240
2014-05-22

ALUMINUM SMELTER INCLUDING CELLS WITH CATHODE OUTPUT AT THE BOTTOM OF THE POT SHELL AND CELL STABILIZING MEANS

#71
20140110251
2014-04-24

ANNULAR ELECTROLYSIS CELL AND ANNULAR CATHODE WITH MAGNETIC FIELD COMPENSATION

#72
20140076723
2014-03-20

ELECTROLYSIS CELL AND CATHODE WITH IRREGULAR SURFACE PROFILING

#73
20140069820
2014-03-13

Current collector bar apparatus, system, and method of using the same

#74
20130299344
2013-11-14

Outlet seal for the cathode bars of an aluminum electrolytic cell

#75
20130292258
2013-11-07

Recycled pot gas pot distribution

#76
20130233704
2013-09-12

Replaceable Cathode Choking Devices of Aluminum Reduction Cell

#77
20130199938
2013-08-08

SYSTEM AND METHOD FOR CONTROL OF SIDE LAYER FORMATION IN AN ALUMINIUM ELECTROLYSIS CELL

#78
20130186749
2013-07-25

Cell Bottom Structure of Reduction Cell

#79
20130112549
2013-05-09

ALUMINUM ELECTROLYTIC CELL HAVING CATHODE CARBON BLOCK WITH COLUMNAR PROTRUSIONS EMBEDDED ON ITS UPPER SURFACE

#80
20130075669
2013-03-28

Titanium diboride-silicon carbide composites useful in electrolytic aluminum production cells and methods for producing the same

#81
20130062217
2013-03-14

Aluminum electrolysis cell with compression device and method

#82
20130032486
2013-02-07

Apparatus and method for improving magneto-hydrodynamics stability and reducing energy consumption for aluminum reduction cells

#83
20130004410
2013-01-03

Method for the production of graphite bodies

#84
20120318667
2012-12-20

Electrolytic cell for producing primary aluminum by using inert anode

#85
20120279054
2012-11-08

Method of Configuring Cathodes of an Aluminum Reduction Cell

#86
20120222964
2012-09-06

COMPOSITION FOR MAKING WETTABLE CATHODE IN ALUMINUM SMELTING

#87
20120085639
2012-04-12

CATHODE BOTTOM, METHOD FOR PRODUCING A CATHODE BOTTOM, AND USE OF THE SAME IN AN ELECTROLYTIC CELL FOR PRODUCING ALUMINUM

#88
20110253186
2011-10-20

Combined Thermoelectric and Thermomagnetic Generator

#89
20110203340
2011-08-25

Equipment for the straightening of deformed electrolysis potshells, in particular for aluminium molten-bath electrolysis

#90
20110195228
2011-08-11

Composite materials for wettable cathodes and use thereof for aluminum production

#91
20110114479
2011-05-19

Composite Material Useful in Electrolytic Aluminum Production Cells

#92
20110073470
2011-03-31

Multi-layer cathode block

#93
20110067999
2011-03-24

400kA HIGH ENERGY EFFICIENCY REDUCTION POT

#94
20110056826
2011-03-10

ALUMINUM ELECTROLYTIC CELL WITH NEW TYPE OF CATHODE STRUCTURE FOR SHORTENING VERTICAL FLUCTUATIONS AND HORIZONTAL FLUCTUATIONS

#95
20110045962
2011-02-24

Process for recycling spent pot linings (SPL) from primary aluminium production

#96
20110024304
2011-02-03

Composition for making wettable cathode in aluminum smelting

#97
20100294671
2010-11-25

Aluminium collection in electrowinning cells

#98
20100147678
2010-06-17

Aluminum electrolytic cells having heterotypic structured cathode carbon blocks

#99
20100122903
2010-05-20

Readily-densified titanium diboride and process for making same

#100
20090238665
2009-09-24

Handling device for hoods of a cell for electrolytic aluminium production

#101
20090236233
2009-09-24

ALUMINUM ELECTROLYSIS CELL ELECTROLYTE CONTAINMENT SYSTEMS AND APPARATUS AND METHODS RELATING TO THE SAME

#102
20090218216
2009-09-03

Electrolytic cell for obtaining aluminium

#103
20090183995
2009-07-23

Ceramic material for use at elevated temperature

#104
20090166215
2009-07-02

Aluminum production cell

#105
20090121197
2009-05-14

Sintered Material, Sinterable Powder Mixture, Method for Producing Said Material and Use Thereof

#106
20090114547
2009-05-07

Aluminium electrowinning cell with enhanced crust

#107
20080308415
2008-12-18

Cathodes for aluminum electrolysis cell with expanded graphite lining

#108
20080156643
2008-07-03

Semi solid TiBprecursor mixture

#109
20080135417
2008-06-12

Electrolysis cell for the production of aluminum comprising means to reduce the voltage drop

#110
20080135416
2008-06-12

Slurries for producing aluminium-based coatings

#111
20080105554
2008-05-08

Apparatus and a method for tapping metal

#112
20070289866
2007-12-20

Material for structural components of an electrowinning cell for production of metal

#113
20070284259
2007-12-13

Preheating of electrolytic cell

#114
20070261826
2007-11-15

Method and a System for Energy Recovery and/or Cooling

#115
20070193878
2007-08-23

Non-carbon anodes with active coatings

#116
20070187232
2007-08-16

Non-carbon anodes with active coatings

#117
20070144617
2007-06-28

Non-carbon anodes

#118
20070138445
2007-06-21

High swelling ramming paste for aluminum electrolysis cell

#119
20070000787
2007-01-04

Control of temperature and operation of inert electrodes during production of aluminum metal

#120
20060289300
2006-12-28

Aluminium-wettable carbon-based body

#121
20060237305
2006-10-26

Electrolysis cell and structural elements to be used therein

#122
20060185984
2006-08-24

Metal electrowinning cell with electrolyte purifier

#123
20060151333
2006-07-13

Cathode systems for electrolytically obtaining aluminum

#124
20060131169
2006-06-22

Cathode block for aluminum refining and method for production thereof

#125
20060102490
2006-05-18

Utilisation of oxygen evolving anode for Hall-Hèroult cells and design thereof

#126
20060054499
2006-03-16

Aluminium electrowinning cells with inclined cathodes

#127
20060011490
2006-01-19

Protection of non-carbon anodes and other oxidation resistant components with iron oxide-containing coatings

#128
20060003084
2006-01-05

Protection of metal-based substrates with hematite-containing coatings

#129
20050269202
2005-12-08

Prevention of dissolution of metal-based aluminium production anodes

#130
20050230265
2005-10-20

Aluminium electrowinning cell design with movable insulating cover sections

#131
20050224362
2005-10-13

Material for structural components of an electrowinning cell for production of metal

#132
20050218006
2005-10-06

Cathode element for use in an electrolytic cell intended for production of aluminum

#133
20050178658
2005-08-18

Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings

#134
20050109615
2005-05-26

Stabilizers for titanium diboride-containing cathode structures