Electric current supply devices

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CPC
C25C3/16

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CCHEMISTRY METALLURGY C25Electrolytic processing C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS APPARATUS THEREFOR C25C3/00Electrolytic production, recovery or refining of metals by electrolysis of melts

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C25C3/16Electric current supply devices

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Patents Grantslast 30 patents

Information Patent Grant
Supply circuit for electrolytic cell comprising a short-circuit dev...
- Patent number 12,168,832
- Issue date Dec 17, 2024
- AMC
- Michel Pillet
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anode for aluminium electrolysis
- Patent number 11,629,419
- Issue date Apr 18, 2023
- R + D CARBON LTD
- Markus Meier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cathode assembly for an electrolytic cell
- Patent number 11,618,960
- Issue date Apr 4, 2023
- TOKAI COBEX SAVOIE
- Juric Drago Dragutin
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Systems and methods for molten oxide electrolysis
- Patent number 11,591,703
- Issue date Feb 28, 2023
- Boston Electrometallurgical Corporation
- Robert Hyers
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cathode block having a slot geometry
- Patent number 11,339,489
- Issue date May 24, 2022
- TOKAI COBEX GMBH
- Markus Pfeffer
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cathode current collector/connector for a Hall-Heroult cell
- Patent number 11,286,574
- Issue date Mar 29, 2022
- TOKAI COBEX GMBH
- Markus Pfeffer
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cathode assembly for the production of aluminum
- Patent number 11,242,604
- Issue date Feb 8, 2022
- COBEX GMBH
- Elaine Sum
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Advanced aluminum electrolysis cell
- Patent number 11,180,862
- Issue date Nov 23, 2021
- ELYSIS LIMITED PARTNERSHIP
- Xinghua Liu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cathode current collector for a Hall-Heroult cell
- Patent number 11,136,682
- Issue date Oct 5, 2021
- NOVALUM SA
- Rene Von Kaenel
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Aluminum electrolytic bath having continuous aluminum-frame anode w...
- Patent number 11,015,254
- Issue date May 25, 2021
- Jianping Dang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anode assembly for aluminum electrolysis cells and method for manuf...
- Patent number 10,920,329
- Issue date Feb 16, 2021
- UNIVERSITE DU QUEBEC A CHICOUTIMI
- Simon-Olivier Tremblay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Flexible electrical connectors for electrolytic cells
- Patent number 10,855,040
- Issue date Dec 1, 2020
- Hatch Ltd.
- Dale Mackenzie Pearen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anode clamping device
- Patent number 10,704,154
- Issue date Jul 7, 2020
- Valley West Welding Co., Inc
- Alan Morris Scholes
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic cell intended for the production of aluminium and elec...
- Patent number 10,697,074
- Issue date Jun 30, 2020
- Rio Tinto Alcan International Limited
- Steeve Renaudier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Modified electrolysis cell and a method for modifying same
- Patent number 10,689,770
- Issue date Jun 23, 2020
- Norsk Hydro ASA
- Jørund Hop
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolysis tank comprising an anode assembly contained in a conta...
- Patent number 10,513,788
- Issue date Dec 24, 2019
- Rio Tinto Alcan International Limited
- Olivier Martin
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anode assembly and associated production method
- Patent number 10,480,089
- Issue date Nov 19, 2019
- Rio Tinto Alcan International Limited
- Yves Caratini
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anode assembly
- Patent number 10,443,140
- Issue date Oct 15, 2019
- Rio Tinto Alcan International Limited
- Sébastien Becasse
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Aluminum smelter and method to compensate for a magnetic field crea...
- Patent number 10,358,733
- Issue date Jul 23, 2019
- Rio Tinto Alcan International Limited
- Benoit Bardet
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Aluminium smelter comprising a compensating electric circuit
- Patent number 10,344,390
- Issue date Jul 9, 2019
- Rio Tinto Alcan International Limited
- Steeve Renaudier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Aluminum electrolysis cell cathode shunt design
- Patent number 10,246,790
- Issue date Apr 2, 2019
- UNITED COMPANY RUSAL ENGINEERING AND TECHNOLOGY CENTRE LLC
- Aleksandr Olegovich Gusev
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic device and anode assembly intended for the production...
- Patent number 10,151,038
- Issue date Dec 11, 2018
- Rio Tinto Alcan International Limited
- Yves Rochet
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Busbar arrangement for aluminum electrolysers with a longitudinal p...
- Patent number 9,896,773
- Issue date Feb 20, 2018
- United Company RUSAL Engineering and Technology Centre LLC
- Petr Nikolaevich Vabishchevich
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Lining for an aluminum electrolyzer having inert anodes
- Patent number 9,850,586
- Issue date Dec 26, 2017
- United Company RUSAL Engineering and Technology Centre LLC
- Aleksandr Olegovich Gusev
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Apparatus for use in electrorefining and electrowinning
- Patent number 9,783,900
- Issue date Oct 10, 2017
- Outotec (Finland) Oy
- Duncan Grant
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Seal assemblies for cathode collector bars
- Patent number 9,611,557
- Issue date Apr 4, 2017
- Mid-Mountain Materials, Inc
- Tony G. Carroll
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Aluminum smelter comprising electrical conductors made from a super...
- Patent number 9,598,783
- Issue date Mar 21, 2017
- Rio Tinto Alcan International Limited
- Christian Duval
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Direct-current shunt preheating start method for an inert electrode...
- Patent number 9,528,193
- Issue date Dec 27, 2016
- Aluminum Corporation of China Limited
- Jianhong Yang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Device for monitoring current distribution in interconnected electr...
- Patent number 9,422,632
- Issue date Aug 23, 2016
- Industrie De Nora S.p.A.
- Felix Prado
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Device for extracting short-circuiting wedges designed for switchin...
- Patent number 9,371,594
- Issue date Jun 21, 2016
- Fives ECL
- Jérôme Guerin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CATHODE CURRENT COLLECTOR BAR OF AN ALUMINIUM PRODUCTION CELL
- Publication number 20240240342
- Publication date Jul 18, 2024
- Novalum SA
- Gualtiero SPINETTI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PIN ASSEMBLY OF AN ELECTRODE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20240011176
- Publication date Jan 11, 2024
- ELYSIS LIMITED PARTNERSHIP
- David PRINCE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DETECTING THERMITE REACTIONS IN AN ELECTROLYTIC CELL
- Publication number 20230374685
- Publication date Nov 23, 2023
- ELYSIS LIMITED PARTNERSHIP
- Leroy D'ASTOLFO
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SUPPLY CIRCUIT FOR ELECTROLYTIC CELL COMPRISING A SHORT-CIRCUIT DEV...
- Publication number 20220341048
- Publication date Oct 27, 2022
- AMC
- Michel PILLET
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ANODE FOR ALUMINIUM ELECTROLYSIS
- Publication number 20220056605
- Publication date Feb 24, 2022
- R + D CARBON LTD
- Markus MEIER
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE ASSEMBLY FOR AN ELECTROLYTIC CELL
- Publication number 20210355591
- Publication date Nov 18, 2021
- TOKAI CARBON SAVOIE
- Juric DRAGO DRAGUTIN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE ELEMENTS FOR A HALL-HÉROULT CELL FOR ALUMINIUM PRODUCTION A...
- Publication number 20200332427
- Publication date Oct 22, 2020
- Norsk Hydro ASA
- Martin SEGATZ
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SYSTEMS AND METHODS FOR MOLTEN OXIDE ELECTROLYSIS
- Publication number 20200263313
- Publication date Aug 20, 2020
- Boston Electrometallurgical Corporation
- Robert Hyers
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Modular busbar for series of aluminium electrolyzers
- Publication number 20200010968
- Publication date Jan 9, 2020
- OBSHCHESTVO S OGRANICHENNOY OTVETSTVENNOS'YU "OBEDINENNAYA KOMPANIYA RUSAL IN...
- Viktor Khrist'yanovich Mann
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE BLOCK HAVING A SLOT GEOMETRY
- Publication number 20190301033
- Publication date Oct 3, 2019
- COBEX GmbH
- Markus PFEFFER
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE CURRENT COLLECTOR/CONNECTOR FOR A HALL-HEROULT CELL
- Publication number 20190284711
- Publication date Sep 19, 2019
- COBEX GmbH
- Markus PFEFFER
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE ASSEMBLY FOR THE PRODUCTION OF ALUMINUM
- Publication number 20190271092
- Publication date Sep 5, 2019
- COBEX GmbH
- Elaine SUM
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ADVANCED ALUMINUM ELECTROLYSIS CELL
- Publication number 20190169761
- Publication date Jun 6, 2019
- ALCOA USA CORP.
- Xinghua Liu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
FLEXIBLE ELECTRICAL CONNECTORS FOR ELECTROLYTIC CELLS
- Publication number 20190165529
- Publication date May 30, 2019
- Dale Mackenzie PEAREN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ALUMINUM ELECTROLYTIC BATH HAVING CONTINUOUS ALUMINUM-FRAME ANODE W...
- Publication number 20190127868
- Publication date May 2, 2019
- SHANXI JINGZHI ALUMINIUM TECHNOLOGY CO., LTD.
- Jianping DANG
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ANODE ASSEMBLY FOR ALUMINUM ELECTROLYSIS CELLS AND METHOD FOR MANUF...
- Publication number 20180066372
- Publication date Mar 8, 2018
- UNIVERSITE DU QUEBEC A CHICOUTIMI
- Simon-Olivier Tremblay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
AN ANODE FOR USE IN AN ELECTROLYSIS PROCESS FOR PRODUCTION OF ALUMI...
- Publication number 20180023206
- Publication date Jan 25, 2018
- Norsk Hydro ASA
- Jørund HOP
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Aluminium Smelter and Method to Compensate for a Magnetic Field Cre...
- Publication number 20180023207
- Publication date Jan 25, 2018
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Benoit Bardet
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
A MODIFIED ELECTROLYSIS CELL AND A METHOD FOR MODIFYING SAME
- Publication number 20170350028
- Publication date Dec 7, 2017
- Norsk Hydro ASA
- Jørund HOP
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CATHODE CURRENT COLLECTOR FOR A HALL-HEROULT CELL
- Publication number 20170321338
- Publication date Nov 9, 2017
- NOVALUM SA
- Rene VON KAENEL
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Anode Assembly
- Publication number 20170167039
- Publication date Jun 15, 2017
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Sébastien BECASSE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Anode Assembly and Associated Production Method
- Publication number 20160348258
- Publication date Dec 1, 2016
- Rio Tinto Intemational Limited
- Yves Caratini
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYSIS TANK COMPRISING AN ANODE ASSEMBLY CONTAINED IN A CONTA...
- Publication number 20160326661
- Publication date Nov 10, 2016
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Olivier Martin
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
LOW RESISTANCE ELECTRODE ASSEMBLIES FOR PRODUCTION OF METALS
- Publication number 20160208399
- Publication date Jul 21, 2016
- Hatch Ltd.
- William R.P. Berends
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Aluminium Smelter Comprising a Compensating Electric Circuit
- Publication number 20160201208
- Publication date Jul 14, 2016
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Steeve Renaudier
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ALUMINUM SMELTER COMPRISING ELECTRICAL CONDUCTORS MADE FROM A SUPER...
- Publication number 20140209457
- Publication date Jul 31, 2014
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Christian Duval
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PERMANENT SYSTEM FOR CONTINUOUS DETECTION OF CURRENT DISTRIBUTION I...
- Publication number 20140209455
- Publication date Jul 31, 2014
- INDUSTRIE DE NORA S.P.A.
- Felix Prado
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ALUMINUM SMELTER INCLUDING CELLS WITH CATHODE OUTPUT AT THE BOTTOM...
- Publication number 20140138240
- Publication date May 22, 2014
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Olivier Martin
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ALUMINUM SMELTER COMPRISING ELECTRICAL CONDUCTORS MADE FROM A SUPER...
- Publication number 20140138241
- Publication date May 22, 2014
- RIO TINTO ALCAN INTERNATIONAL LIMITED
- Christian Duval
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ANNULAR ELECTROLYSIS CELL AND ANNULAR CATHODE WITH MAGNETIC FIELD C...
- Publication number 20140110251
- Publication date Apr 24, 2014
- SGL CARBON SE
- Thomas Frommelt
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Electric current supply devices

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Supply circuit for electrolytic cell comprising a short-circuit dev...

Anode for aluminium electrolysis

Cathode assembly for an electrolytic cell

Systems and methods for molten oxide electrolysis

Cathode block having a slot geometry

Cathode current collector/connector for a Hall-Heroult cell

Cathode assembly for the production of aluminum

Advanced aluminum electrolysis cell

Cathode current collector for a Hall-Heroult cell

Aluminum electrolytic bath having continuous aluminum-frame anode w...

Anode assembly for aluminum electrolysis cells and method for manuf...

Flexible electrical connectors for electrolytic cells

Anode clamping device

Electrolytic cell intended for the production of aluminium and elec...

Modified electrolysis cell and a method for modifying same

Electrolysis tank comprising an anode assembly contained in a conta...

Anode assembly and associated production method

Anode assembly

Aluminum smelter and method to compensate for a magnetic field crea...

Aluminium smelter comprising a compensating electric circuit

Aluminum electrolysis cell cathode shunt design

Electrolytic device and anode assembly intended for the production...

Busbar arrangement for aluminum electrolysers with a longitudinal p...

Lining for an aluminum electrolyzer having inert anodes

Apparatus for use in electrorefining and electrowinning

Seal assemblies for cathode collector bars

Aluminum smelter comprising electrical conductors made from a super...

Direct-current shunt preheating start method for an inert electrode...

Device for monitoring current distribution in interconnected electr...

Device for extracting short-circuiting wedges designed for switchin...

Patents Applicationslast 30 patents

CATHODE CURRENT COLLECTOR BAR OF AN ALUMINIUM PRODUCTION CELL

PIN ASSEMBLY OF AN ELECTRODE AND METHOD OF MANUFACTURING THE SAME

DETECTING THERMITE REACTIONS IN AN ELECTROLYTIC CELL

SUPPLY CIRCUIT FOR ELECTROLYTIC CELL COMPRISING A SHORT-CIRCUIT DEV...

ANODE FOR ALUMINIUM ELECTROLYSIS

CATHODE ASSEMBLY FOR AN ELECTROLYTIC CELL

CATHODE ELEMENTS FOR A HALL-HÉROULT CELL FOR ALUMINIUM PRODUCTION A...

SYSTEMS AND METHODS FOR MOLTEN OXIDE ELECTROLYSIS

Modular busbar for series of aluminium electrolyzers

CATHODE BLOCK HAVING A SLOT GEOMETRY

CATHODE CURRENT COLLECTOR/CONNECTOR FOR A HALL-HEROULT CELL

CATHODE ASSEMBLY FOR THE PRODUCTION OF ALUMINUM

ADVANCED ALUMINUM ELECTROLYSIS CELL

FLEXIBLE ELECTRICAL CONNECTORS FOR ELECTROLYTIC CELLS

ALUMINUM ELECTROLYTIC BATH HAVING CONTINUOUS ALUMINUM-FRAME ANODE W...

ANODE ASSEMBLY FOR ALUMINUM ELECTROLYSIS CELLS AND METHOD FOR MANUF...

AN ANODE FOR USE IN AN ELECTROLYSIS PROCESS FOR PRODUCTION OF ALUMI...

Aluminium Smelter and Method to Compensate for a Magnetic Field Cre...

A MODIFIED ELECTROLYSIS CELL AND A METHOD FOR MODIFYING SAME

CATHODE CURRENT COLLECTOR FOR A HALL-HEROULT CELL

Anode Assembly

Anode Assembly and Associated Production Method

ELECTROLYSIS TANK COMPRISING AN ANODE ASSEMBLY CONTAINED IN A CONTA...

LOW RESISTANCE ELECTRODE ASSEMBLIES FOR PRODUCTION OF METALS

Aluminium Smelter Comprising a Compensating Electric Circuit

ALUMINUM SMELTER COMPRISING ELECTRICAL CONDUCTORS MADE FROM A SUPER...

PERMANENT SYSTEM FOR CONTINUOUS DETECTION OF CURRENT DISTRIBUTION I...

ALUMINUM SMELTER INCLUDING CELLS WITH CATHODE OUTPUT AT THE BOTTOM...

ALUMINUM SMELTER COMPRISING ELECTRICAL CONDUCTORS MADE FROM A SUPER...

ANNULAR ELECTROLYSIS CELL AND ANNULAR CATHODE WITH MAGNETIC FIELD C...