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For the Inventor, By the Inventor

Montreal, Canada

Rio Tinto Alcan International Limited


USPTO Granted Patents = 61



Forward Citations = 83

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117 inventors (with patents filed for the assignee):

goldMedal Steeve Renaudier (8 out of 8 patents)

silverMedal Nicholas Charles Parson (8 out of 17 patents)

bronzeMedal Vittorio De Nora (6 out of 119 patents)

4.  Francis Breton (5 out of 5 patents)

5.  Alexandre Maltais (5 out of 6 patents)

6.  Guy Peloquin (5 out of 8 patents)

7.  Benoit Bardet (5 out of 7 patents)

8.  Olivier Martin (5 out of 5 patents)

9.  Peter Donald Waite (5 out of 5 patents)

10.  Joseph Langlais (5 out of 5 patents)

11.  Thinh Trong Nguyen (5 out of 18 patents)

12.  Alain Boivin (4 out of 5 patents)

13.  Yves Rochet (4 out of 4 patents)

14.  Denis Laroche (4 out of 4 patents)

15.  Raynald Guay (4 out of 4 patents)


Core Competencies:
Bayer Process
Electrolytic Cell
Aluminum Alloys
Corrosion Resistant Alloy
Anode Assembly
Electrolysis Tank
Rotary Injector
Aluminum Smelter
Casting Process
Fluidization Device
High Strength Aluminum Alloy
Metal Transfer Trough

61 patents:

1. 12371337 - Use of calcium fluoride in the bayer process (2025-07-29),
2. 12065752 - Intervention tool for the operation of an electrolytic cell (2024-08-20),
3. 12043913 - Handling device to be used to convey an intervention tool on an electrolytic cell (2024-07-23),
4. 12006225 - Bayer process (2024-06-11),
5. 11255002 - Corrosion resistant alloy for extruded and brazed products (2022-02-22),
6. 11198925 - Aluminum alloys having improved tensile properties (2021-12-14),
7. 10898830 - Settler for decanting mineral slurries and method for separating clarified liquid from thickened slurry of said mineral slurries (2021-01-26),
8. 10815552 - Aluminum alloy composition with improved elevated temperature mechanical properties (2020-10-27),
9. 10780664 - Screw press with filter plates (2020-09-22),
10. 10697074 - Electrolytic cell intended for the production of aluminium and electrolytic smelter comprising this cell (2020-06-30),
11. 10669616 - Aluminum alloy composition and method (2020-06-02),
12. 10557188 - Aluminum alloy composition and method (2020-02-11),
13. 10513788 - Electrolysis tank comprising an anode assembly contained in a containment enclosure (2019-12-24),
14. 10508042 - Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore (2019-12-17),
15. 10494280 - Treatment of alkaline bauxite residue (2019-12-03),
Rio Tinto Alcan International Limited is a leading global mining and metals company. They operate across six continents and are involved in finding, mining, and processing the essential metals and minerals that make modern life possible. With a strong focus on sustainability and responsible mining practices, Rio Tinto Alcan International Limited aims to deliver long-term value to their shareholders and contribute to the development of the communities where they operate.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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61 Patents

#16 in Montreal

#213 in Canada

#11,629 in the World

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Montreal, Canada

Rio Tinto Alcan International Limited

Forward Citations = 83

117 inventors:

goldMedal Steeve Renaudier (8 out of 8 patents)

silverMedal Nicholas Charles Parson (8 out of 17 patents)

bronzeMedal Vittorio De Nora (6 out of 119 patents)

4.  Francis Breton (5 out of 5 patents)

5.  Alexandre Maltais (5 out of 6 patents)

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