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Vallourec

USPTO Granted Patents = 34

Trademarks = 6

Forward Citations = 406

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31 inventors (with patents filed for the assignee):

Bernard A Plaquin (7 out of 7 patents)

Pierre Peytavin (6 out of 16 patents)

Andre Gueussier (5 out of 5 patents)

4. Michel Douchy (5 out of 7 patents)

5. Edmond Vachiery (4 out of 4 patents)

6. Roland Ernst (3 out of 6 patents)

7. Marcel Garnier (3 out of 4 patents)

8. Michel Giroutru (3 out of 3 patents)

9. Rene J Moreau (3 out of 7 patents)

10. Paul Bounie (3 out of 3 patents)

11. Herve Salkin (3 out of 3 patents)

12. Louis Fradin (3 out of 3 patents)

13. Jean-Louis Tranchant (2 out of 2 patents)

14. Michel Jehan (2 out of 2 patents)

15. Didier Grare (2 out of 2 patents)

Core Competencies:

Hollow Bodies

Threaded Joint

Composite Article

Steel Pipes

Cold Pilger Mills

Machining

Seamless Steel Tube

Manufacturing Process

Magnetic Rotor

Pipe Joints

Welding

Cooling Device

34 patents: Sort by Forward Citations

1. 4974660 - Process and apparatus for the production of hollow bodies by (1990-12-04),

2. 4906292 - Composite article having a tubular sheath containing a compacted (1990-03-06),

3. 4828295 - Steel tube threaded joint having an impervious device at the level of (1989-05-09),

4. 4828294 - Threaded joint for steel pipes containing a sealing device located at (1989-05-09),

5. 4816068 - Composite article having a tubular sheath containing a compacted (1989-03-28),

6. 4796668 - Device for protecting threadings and butt-type joint bearing surfaces of (1989-01-10),

7. 4791816 - Device for determining when a threaded tube joint with screw limiting (1988-12-20),

8. 4787680 - Semi-rigid axle for a vehicle (1988-11-29),

9. 4729422 - Process and apparatus for the production of hollow bodies by (1988-03-08),

10. 4713955 - Method permitting the increase of operations of cold pilger mills and an (1987-12-22),

11. 4708897 - Composite product having a tubular metal casing with a welt-type seam, (1987-11-24),

12. 4700576 - Process and device for executing the screwing of a threaded joint for (1987-10-20),

13. 4691791 - Knurled drill stem (1987-09-08),

14. 4665780 - Method of machining threaded pipe-ends (1987-05-19),

15. 4658617 - Method permitting the increase of operations of cold pilger mills and an (1987-04-21),

Company Overview

Vallourec is a global leader in premium tubular solutions, specializing in the design and manufacturing of seamless steel pipes and related products for the energy and industrial sectors. The company focuses on providing innovative solutions for oil and gas, power generation, and construction industries, leveraging advanced technologies and materials. With a strong presence in international markets, Vallourec is committed to sustainability and enhancing operational efficiency through research and development in metallurgy and engineering.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

34 Patents

#167 in Paris

#648 in France

#19,631 in the World

Vallourec

Forward Citations = 406

31 inventors:

Bernard A Plaquin (7 out of 7 patents)

Pierre Peytavin (6 out of 16 patents)

Andre Gueussier (5 out of 5 patents)

4. Michel Douchy (5 out of 7 patents)

5. Edmond Vachiery (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vallourec. Retrieved from https://idiyas.com/company/vallourec

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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