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For the Inventor, By the Inventor

Paris, France

Alcan Rhenalu


USPTO Granted Patents = 20

% Expired Patents = 40.0



Trademarks = 1

Forward Citations = 133

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48 inventors (with patents filed for the assignee):

goldMedal Timothy Warner (7 out of 26 patents)

silverMedal Jean-Christophe Ehrstrom (3 out of 12 patents)

bronzeMedal Julien Boselli (3 out of 4 patents)

4.  Christophe Sigli (2 out of 11 patents)

5.  Fabrice Heymes (2 out of 8 patents)

6.  Sylvain Henry (2 out of 9 patents)

7.  Sandrine Dulac (2 out of 4 patents)

8.  David Dumont (2 out of 3 patents)

9.  Ronan Dif (2 out of 6 patents)

10.  David Godard (2 out of 3 patents)

11.  Raphaël Muzzolini (2 out of 2 patents)

12.  Sjoerd Van Der Veen (2 out of 2 patents)

13.  Hervé Ribes (2 out of 2 patents)

14.  Bernard Bés (2 out of 2 patents)

15.  Vic Dangerfield (2 out of 4 patents)


20 patents:

1. 7938309 - Pulsed friction stir welding process (2011-05-10),
2. 7938165 - Manufacturing process for semi-finished products containing two aluminum-based alloys (2011-05-10),
3. 7926701 - Method for brazing strips of aluminium alloy (2011-04-19),
4. 7909380 - Skip for granular materials (2011-03-22),
5. 7875129 - Method for forming a conversion layer on an aluminum alloy product prior to fluxless brazing (2011-01-25),
6. 7862903 - Monolithic and bi-functional extruded structural element (2011-01-04),
7. 7837808 - Process for manufacturing structural components by machining plates (2010-11-23),
8. 7780802 - Simplified method for making rolled Al—Zn—Mg alloy products, and resulting products (2010-08-24),
9. 7776167 - Edge-on stress-relief of aluminum plates (2010-08-17),
10. 7763128 - Process for manufacturing structural components by machining plates (2010-07-27),
11. 7744704 - High fracture toughness aluminum-copper-lithium sheet or light-gauge plate suitable for use in a fuselage panel (2010-06-29),
12. 7615125 - Aluminum alloy products with high toughness and production process thereof (2009-11-10),
13. 7550110 - Al-Zn-Mg-Cu alloys and products with improved ratio of static mechanical characteristics to damage tolerance (2009-06-23),
14. 7550028 - Method for recycling aluminum-lithium-type alloy scrap (2009-06-23),
15. 7520945 - Recrystallized Al-Zn-Cu-Mg plate with low zirconium (2009-04-21),
Company Overview
Alcan Rhenalu, headquartered in Paris, specializes in the development and manufacturing of advanced aluminum products, particularly in the field of high-performance alloys. The company focuses on innovative solutions for various industries, including aerospace, automotive, and energy. With a strong emphasis on research and technology, Alcan Rhenalu is dedicated to enhancing the properties of aluminum materials to meet the evolving demands of its global clientele, ensuring sustainability and efficiency in its offerings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#238 in Paris

#1,013 in France

#31,295 in the World

Paris, FR
Paris, France

Alcan Rhenalu

Forward Citations = 133

48 inventors:

goldMedal Timothy Warner (7 out of 26 patents)

silverMedal Jean-Christophe Ehrstrom (3 out of 12 patents)

bronzeMedal Julien Boselli (3 out of 4 patents)

4.  Christophe Sigli (2 out of 11 patents)

5.  Fabrice Heymes (2 out of 8 patents)

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

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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