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Pechiney Rhenalu

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USPTO Granted Patents = 48

% Expired Patents = 14.6

CIPO Patents = 1

Trademarks = 4

Forward Citations = 306

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70 inventors (with patents filed for the assignee):

Timothy Warner (9 out of 26 patents)

Guy-Michel Raynaud (8 out of 11 patents)

Jean-Luc Hoffmann (6 out of 6 patents)

4. Sylvain Henry (4 out of 9 patents)

5. Jean-Francois Verdier (4 out of 5 patents)

6. Philippe Lequeu (4 out of 8 patents)

7. Philippe Lassince (4 out of 4 patents)

8. Pierre Sainfort (4 out of 6 patents)

9. Bernard Bes (3 out of 13 patents)

10. Fabrice Heymes (3 out of 8 patents)

11. Ronan Dif (3 out of 6 patents)

12. Herve Ribes (3 out of 6 patents)

13. Nathalie Remond (3 out of 3 patents)

14. Regine Debreux (3 out of 3 patents)

15. Martin-Peter Schmidt (3 out of 3 patents)

Core Competencies:

Aluminum Alloys

Heat Exchangers

Aircraft Structures

Mechanical Properties

Corrosion Resistance

Casting Processes

Metal Treatment

Refractory Coatings

Thin Sheets

Bauxite Processing

Damage Tolerance

Recycled Materials

48 patents: Sort by Forward Citations

1. 7811394 - Aluminum alloy strips for heat exchangers (2010-10-12),

2. 7658896 - Method for attacking bauxite enhancing filterability of sludge in attack output (2010-02-09),

3. 7452429 - Products made of Al-Zn-Mg-Cu alloys with an improved compromise between static mechanical characteristics and damage tolerance (2008-11-18),

4. 7364690 - Device for injecting a treatment gas into a molten metal (2008-04-29),

5. 7294213 - Aircraft structural member made of an Al-Cu-Mg alloy (2007-11-13),

6. 7256232 - Coating precursor and method for coating a substrate with a refractory layer (2007-08-14),

7. 7252723 - AlCuMg alloys with high damage tolerance suitable for use as structural members in aircrafts (2007-08-07),

8. 7238390 - Coating precursor and method for coating a substrate with a refractory layer (2007-07-03),

9. 7135077 - Thick products made of heat-treatable aluminum alloy with improved toughness and process for manufacturing these products (2006-11-14),

10. 6969432 - Product for a welded construction made of AlMgMn alloy having improved mechanical strength (2005-11-29),

11. 6948550 - Method for making aluminum alloy strips with high surface homogeneity (2005-09-27),

12. 6923876 - Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers (2005-08-02),

13. 6896749 - Rolled or extruded aluminium Al-Mn alloy products with improved corrosion resistance (2005-05-24),

14. 6834708 - Aluminium alloys strips with high surface homogeneity and method for making same (2004-12-28),

15. 6777106 - Metal blocks suitable for machining applications (2004-08-17),

Company Overview

Pechiney Rhenalu, based in Paris, specializes in the development and manufacturing of advanced aluminum alloys and components. The company focuses on high-performance applications, particularly in the aerospace sector, where it produces aircraft structural members known for their mechanical strength and corrosion resistance. Additionally, Pechiney Rhenalu is involved in the production of heat exchangers and thin sheet manufacturing, utilizing innovative metal processing techniques and refractory coatings to enhance product durability and efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

48 Patents

#136 in Paris

#491 in France

#14,575 in the World

Pechiney Rhenalu

Forward Citations = 306

70 inventors:

Timothy Warner (9 out of 26 patents)

Guy-Michel Raynaud (8 out of 11 patents)

Jean-Luc Hoffmann (6 out of 6 patents)

4. Sylvain Henry (4 out of 9 patents)

5. Jean-Francois Verdier (4 out of 5 patents)

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