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For the Inventor, By the Inventor

Montreal, Canada

Alcan International Limited


USPTO Granted Patents = 495

% Expired Patents = 7.1



Forward Citations = 6,553

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536 inventors (with patents filed for the assignee):

goldMedal Ghyslain Dube (24 out of 24 patents)

silverMedal Iljoon Jin (23 out of 24 patents)

bronzeMedal David James Lloyd (16 out of 20 patents)

4.  Aron M Rosenfeld (15 out of 18 patents)

5.  Olivo G Sivilotti (14 out of 25 patents)

6.  Adam J Gesing (14 out of 24 patents)

7.  Robert Arthur Innes (12 out of 12 patents)

8.  Sadashiv K Nadkarni (12 out of 12 patents)

9.  Jean-Paul R Huni (12 out of 14 patents)

10.  Don Allen Doutre (11 out of 16 patents)

11.  Mukesh K Jain (11 out of 11 patents)

12.  Ernest W Dewing (11 out of 16 patents)

13.  Melville D Ball (10 out of 13 patents)

14.  Pierre Henri Marois (9 out of 14 patents)

15.  Paul Smits (9 out of 9 patents)


Core Competencies:
Aluminum Alloy
Extrusion
Heat Exchanger
Corrosion Resistance
Electrolysis Cell
Molten Metal
Slurry Processing
Casting Mold
Chemical Cleaning
High Strength Foils
Thermal Management
Metal Strip

495 patents:

1. 8252128 - Aluminum alloy and extrusion (2012-08-28),
2. D662521 - Mixing rotor (2012-06-26),
3. 7927518 - [object Object] (2011-04-19),
4. 7785497 - High swelling ramming paste for aluminum electrolysis cell (2010-08-31),
5. 7781071 - Aluminum alloy tube and fin assembly for heat exchangers having improved corrosion resistance after brazing (2010-08-24),
6. 7666248 - Method of priming filter for molten metal (2010-02-23),
7. 7615127 - Process of producing overhead transmission conductor (2009-11-10),
8. 7588134 - Deformable/inflatable wear liner (2009-09-15),
9. 7562692 - Aluminum alloy-boron carbide composite material (2009-07-21),
10. 7550029 - [object Object] (2009-06-23),
11. 7497402 - Storage and transportation of aluminium strip (2009-03-03),
12. 7473376 - Apparatus for production, withdrawal and transfer of highly viscous slurry (2009-01-06),
13. 7472613 - Device and method for measuring metal inclusions (2009-01-06),
14. 7462271 - Stabilizers for titanium diboride-containing cathode structures (2008-12-09),
15. 7448153 - Container label with tear-off part (2008-11-11),
Company Overview
Alcan International Limited, headquartered in Montreal, Canada, specializes in the development and manufacturing of advanced aluminum alloys. The company focuses on a range of core technology topics, including extrusion, heat exchangers, and corrosion resistance, which are essential for various industrial applications. Alcan is also engaged in innovative processes such as electrolysis cell technology, molten metal handling, slurry processing, and casting mold design, positioning itself as a leader in the aluminum sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

495 Patents

#3 in Montreal

#20 in Canada

#1,954 in the World

Montreal, CA
Montreal, Canada

Alcan International Limited

Forward Citations = 6,553

536 inventors:

goldMedal Ghyslain Dube (24 out of 24 patents)

silverMedal Iljoon Jin (23 out of 24 patents)

bronzeMedal David James Lloyd (16 out of 20 patents)

4.  Aron M Rosenfeld (15 out of 18 patents)

5.  Olivo G Sivilotti (14 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alcan International Limited. Retrieved from https://idiyas.com/company/alcan-international

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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