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Montreal, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Intervention tool for the operation of an electrolytic cell
Patent number
12,065,752
Issue date
Aug 20, 2024
Rio Tinto Alcan International Limited
Steeve Renaudier
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Handling device to be used to convey an intervention tool on an ele...
Patent number
12,043,913
Issue date
Jul 23, 2024
Rio Tinto Alcan International Limited
Frédéric Brun
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Bayer process
Patent number
12,006,225
Issue date
Jun 11, 2024
Rio Tinto Alcan International Limited
Neil Hofstee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Corrosion resistant alloy for extruded and brazed products
Patent number
11,255,002
Issue date
Feb 22, 2022
Rio Tinto Alcan International Limited
Nicholas C. Parson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Aluminum alloys having improved tensile properties
Patent number
11,198,925
Issue date
Dec 14, 2021
Rio Tinto Alcan International Limited
Francis Breton
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Settler for decanting mineral slurries and method for separating cl...
Patent number
10,898,830
Issue date
Jan 26, 2021
Rio Tinto Alcan International Limited
Michaël Reid
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Aluminum alloy composition with improved elevated temperature mecha...
Patent number
10,815,552
Issue date
Oct 27, 2020
Rio Tinto Alcan International Limited
Nicholas C. Parson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Screw press with filter plates
Patent number
10,780,664
Issue date
Sep 22, 2020
Rio Tinto Alcan International Limited
Alain Boivin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Aluminum alloy composition and method
Patent number
10,669,616
Issue date
Jun 2, 2020
Rio Tinto Alcan International Limited
Nicholas C. Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy composition and method
Patent number
10,557,188
Issue date
Feb 11, 2020
Rio Tinto Alcan International Limited
Nicholas C. Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Process and installation for producing alumina trihydrate by alkali...
Patent number
10,508,042
Issue date
Dec 17, 2019
Rio Tinto Alcan International Limited
Michaël Reid
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Treatment of alkaline bauxite residue
Patent number
10,494,280
Issue date
Dec 3, 2019
Rio Tinto Alcan International Limited
John Victor Anderson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
Dual-function impeller for a rotary injector
Patent number
10,465,987
Issue date
Nov 5, 2019
Rio Tinto Alcan International Limited
Joseph Langlais
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Modular screw press
Patent number
10,457,008
Issue date
Oct 29, 2019
Rio Tinto Alcan International Limited
Alain Boivin
B30 - PRESSES
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
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
Sealing system for tank rotary shaft
Patent number
10,113,645
Issue date
Oct 30, 2018
Rio Tinto Alcan International Limited
Deane Labrum
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Aluminum alloy having an excellent combination of strength, extruda...
Patent number
10,000,828
Issue date
Jun 19, 2018
Rio Tinto Alcan International Limited
Nicholas Charles Parson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Casting made from aluminium alloy, having high hot creep and fatigu...
Patent number
9,982,328
Issue date
May 29, 2018
Rio Tinto Alcan International Limited
Michel Garat
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy combining high strength, elongation and extrudability
Patent number
9,970,090
Issue date
May 15, 2018
Rio Tinto Alcan International Limited
Nick C. Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Control process for an anode baking furnace and adapted furnace usi...
Patent number
9,958,208
Issue date
May 1, 2018
Rio Tinto Alcan International Limited
François Morales
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Rotary injector and process of adding fluxing solids in molten alum...
Patent number
9,840,754
Issue date
Dec 12, 2017
Rio Tinto Alcan International Limited
Joseph Langlais
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy for extrusion and drawing processes
Patent number
9,631,879
Issue date
Apr 25, 2017
Rio Tinto Alcan International Limited
Nicholas Charles Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Metal transfer trough
Patent number
9,592,551
Issue date
Mar 14, 2017
Rio Tinto Alcan International Limited
André Larouche
B22 - CASTING POWDER METALLURGY
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Patents Applications
last 30 patents
Information
Patent Application
OXIDATION RESISTANT AL-MG HIGH STRENGTH DIE CASTING FOUNDRY ALLOYS
Publication number
20240189894
Publication date
Jun 13, 2024
RIO TINTO ALCAN INTERNATIONAL LIMITED
Lei Pan
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MATERIAL TREATMENT APPARATUS AND PROCESS USING HYDROGEN
Publication number
20230063785
Publication date
Mar 2, 2023
RIO TINTO ALCAN INTERNATIONAL LIMITED
Tomas Mach
C21 - METALLURGY OF IRON
Information
Patent Application
CALCINATION APPARATUS AND PROCESS USING HYDROGEN
Publication number
20230064514
Publication date
Mar 2, 2023
RIO TINTO ALCAN INTERNATIONAL LIMITED
Tomas Mach
F22 - STEAM GENERATION
Information
Patent Application
High Strength Aluminum Alloys
Publication number
20230016262
Publication date
Jan 19, 2023
RIO TINTO ALCAN INTERNATIONAL LIMITED
Mousa Javidani
C21 - METALLURGY OF IRON
Information
Patent Application
ALUMINUM ALLOY WITH IMPROVED EXTRUDABILITY AND CORROSION RESISTANCE
Publication number
20220396858
Publication date
Dec 15, 2022
RIO TINTO ALCAN INTERNATIONAL LIMITED
Nicholas Charles Parson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
INTERVENTION TOOL FOR THE OPERATION OF AN ELECTROLYTIC CELL
Publication number
20220136120
Publication date
May 5, 2022
RIO TINTO ALCAN INTERNATIONAL LIMITED
Steeve RENAUDIER
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Foundry Alloys for High-Pressure Vacuum Die Casting
Publication number
20220090234
Publication date
Mar 24, 2022
RIO TINTO ALCAN INTERNATIONAL LIMITED
Francis Breton
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HANDLING DEVICE TO BE USED TO CONVEY AN INTERVENTION TOOL ON AN ELE...
Publication number
20220090280
Publication date
Mar 24, 2022
RIO TINTO ALCAN INTERNATIONAL LIMITED
Frédéric BRUN
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Aluminum Extrusion Alloy
Publication number
20220025489
Publication date
Jan 27, 2022
RIO TINTO ALCAN INTERNATIONAL LIMITED
Jerome Fourmann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DRILLING DEVICE COMPRISING A TUBULAR SHEATH SECURED TO AN ACTUATOR
Publication number
20210031278
Publication date
Feb 4, 2021
RIO TINTO ALCAN INTERNATIONAL LIMITED
Frédéric BRUN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Bayer Process
Publication number
20210009435
Publication date
Jan 14, 2021
RIO TINTO ALCAN INTERNATIONAL LIMITED
Neil Hofstee
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ADDITIVES FOR IMPROVING THE CASTABILITY OF ALUMINUM-BORON CARBIDE C...
Publication number
20200002792
Publication date
Jan 2, 2020
RIO TINTO ALCAN INTERNATIONAL LIMITED
Joseph Langlais
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Aluminum Alloys Having Improved Tensile Properties
Publication number
20190136349
Publication date
May 9, 2019
RIO TINTO ALCAN INTERNATIONAL LIMITED
Francis Breton
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Corrosion Resistant Alloy for Extruded and Brazed Products
Publication number
20190127823
Publication date
May 2, 2019
RIO TINTO ALCAN INTERNATIONAL LIMITED
Nicholas C. PARSON
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
AN ASSEMBLY BODY AND ELECTRODE FOR ELECTROLYSIS
Publication number
20180087167
Publication date
Mar 29, 2018
TDK Corporation
Kazuhiro YOSHIDOME
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Cermet Electrode Material
Publication number
20180073109
Publication date
Mar 15, 2018
RIO TINTO ALCAN INTERNATIONAL LIMITED
Christian BARTHELEMY
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
Aluminum Alloy Composition and Method
Publication number
20180016665
Publication date
Jan 18, 2018
RIO TINTO ALCAN INTERNATIONAL LIMITED
Nicholas C. Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Electrode Material and Use Thereof for the Manufacture of an Inert...
Publication number
20170130351
Publication date
May 11, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Christian Barthelemy
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Aluminum Alloy Combining High Strength, Elongation and Extrudability
Publication number
20170096731
Publication date
Apr 6, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Nick C. Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aqua-Catalysed Chalked Lime Scrubbing Processes and Systems
Publication number
20170087510
Publication date
Mar 30, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Jean-Nicolas MALTAIS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Screw Press with Filter Plates
Publication number
20170043548
Publication date
Feb 16, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Alain Boivin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MODULAR SCREW PRESS
Publication number
20170036410
Publication date
Feb 9, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Alain BOIVIN
B30 - PRESSES
Information
Patent Application
Sealing System for Tank Rotary Shaft
Publication number
20170002927
Publication date
Jan 5, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Deane LABRUM
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
PROCESS AND INSTALLATION FOR PRODUCING ALUMINA TRIHYDRATE BY ALKALI...
Publication number
20170001876
Publication date
Jan 5, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Michael REID
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ALUMINUM ALLOY COMBINING HIGH STRENGTH AND EXTRUDABILITY, AND LOW Q...
Publication number
20170002448
Publication date
Jan 5, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Nicholas C. Parson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Settler for Decanting Mineral Slurries & Method for Separating Clar...
Publication number
20170001129
Publication date
Jan 5, 2017
RIO TINTO ALCAN INTERNATIONAL LIMITED
Michael REID
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Aluminum Casting Alloy with Improved High-Temperature Performance
Publication number
20160319400
Publication date
Nov 3, 2016
RIO TINTO ALCAN INTERNATIONAL LIMITED
Bradly L. Hohenstein
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...