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For the Inventor, By the Inventor

Courbevoie, France

Trefimetaux


USPTO Granted Patents = 22

% Expired Patents = 4.5


Forward Citations = 120

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32 inventors (with patents filed for the assignee):

goldMedal Marc Moreau (9 out of 9 patents)

silverMedal Jean-Marie Welter (2 out of 2 patents)

bronzeMedal Jean Lemire (2 out of 2 patents)

4.  Jean-Louis Sauvonnet (2 out of 2 patents)

5.  Pascal Leterrible (1 out of 2 patents)

6.  Guy De Hollain (1 out of 3 patents)

7.  Nicolas Avanan (1 out of 2 patents)

8.  Florence Revet (1 out of 1 patent)

9.  Laurent Michard (1 out of 1 patent)

10.  Alain Picault (1 out of 1 patent)

11.  Laurent Mineau (1 out of 1 patent)

12.  Christian Gandossi (1 out of 1 patent)

13.  Pierre Naudot (1 out of 1 patent)

14.  Franck Delavaquerie (1 out of 1 patent)

15.  Rene Predki (1 out of 1 patent)


22 patents:

1. 7048043 - Reversible grooved tubes for heat exchangers (2006-05-23),
2. 6293993 - Method for recycling brass foundry waste (2001-09-25),
3. 6155611 - Removable tube connectors gas tight at high temperatures, tube (2000-12-05),
4. 6045023 - Yarn multiple supply device for a machine (2000-04-04),
5. 5692560 - Grooved tubes for heat exchangers in air conditioning equipment and (1997-12-02),
6. 5674373 - Method for metallizing non-conductive substrates (1997-10-07),
7. 5660071 - Automatic drawing device (1997-08-26),
8. 5526663 - Devices for the grooving of tubes (1996-06-18),
9. 5196074 - Copper alloys capable of spinodal decomposition and a method of (1993-03-23),
10. 5026434 - Copper-iron-cobalt-titanium alloy with high mechanical and electrical (1991-06-25),
11. 4752333 - Alloys having high electrical and mechanical characteristics, the (1988-06-21),
12. 4343169 - Process for continuous hydrostatic extrusion of metals therefor (1982-08-10),
13. 4294629 - Drawn rods made of lead brass and a process for the thermal treatment (1981-10-13),
14. 4275261 - End piece for high voltage cables (1981-06-23),
15. 4163377 - Continuous hydrostatic extrusion process and apparatus (1979-08-07),
Company Overview
Trefimetaux is a prominent player in the field of metal trading and recycling, specializing in the procurement and processing of precious and non-ferrous metals. The company is known for its innovative approaches to metal recovery and sustainability, catering to various industries including electronics, automotive, and jewelry. With a strong presence in Courbevoie, France, Trefimetaux emphasizes environmentally responsible practices while delivering high-quality metal products and services to its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

22 Patents

#55 in Courbevoie

#936 in France

#28,749 in the World

Courbevoie, FR
Courbevoie, France

Trefimetaux

Forward Citations = 120

32 inventors:

goldMedal Marc Moreau (9 out of 9 patents)

silverMedal Jean-Marie Welter (2 out of 2 patents)

bronzeMedal Jean Lemire (2 out of 2 patents)

4.  Jean-Louis Sauvonnet (2 out of 2 patents)

5.  Pascal Leterrible (1 out of 2 patents)

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

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

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