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Firminy, France

Clextral

USPTO Granted Patents = 28

% Expired Patents = 3.6

CIPO Patents = 1

EPO Patents = 14

Trademarks = 2

Forward Citations = 277

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47 inventors (with patents filed for the assignee):

Jean-Marie Bouvier (6 out of 6 patents)

Daniel Durand (5 out of 5 patents)

Luis Asensio (4 out of 4 patents)

4. Michel Billon (4 out of 4 patents)

5. Maxime Collado (3 out of 3 patents)

6. Gilles Maller (3 out of 3 patents)

7. Jean Vannier (3 out of 3 patents)

8. Christian Mange (3 out of 3 patents)

9. Alain Brisset (2 out of 2 patents)

10. Stewart Stevenson (2 out of 2 patents)

11. Steven Roberts (2 out of 2 patents)

12. Anne Perenon (2 out of 2 patents)

13. Laurent Bruyas (2 out of 2 patents)

14. Francis Mourrier (2 out of 3 patents)

15. Henri Chaveron (2 out of 2 patents)

Core Competencies:

Extrusion Machine

Co-Extrusion

Powdered Product

Probiotics

Food Processing

Continuous Production

Material Treatment

Food Products

Chocolate Paste

Animal Material

Screw Element

Hydraulic Pump

28 patents: Sort by Forward Citations

1. 12564993 - Nozzle for extruding a material rich in protein and water, as well as an extrusion machine comprising such a nozzle (2026-03-03),

2. 11992016 - Pinching-shaping device, and system for continuous production of foods products co-extruded in pouch form (2024-05-28),

3. 10681934 - Process and facility for producing a powdered porous product (2020-06-16),

4. 10568346 - Method and equipment for the continuous production of a porous powdered product (2020-02-25),

5. 10342248 - Method for the production of a porous powder product containing a probiotic or other microorganisms (2019-07-09),

6. 9763472 - Method for the production of a porous powder product containing a probiotic or other microorganisms (2017-09-19),

7. 9675945 - Device for the continuous treatment of at least one raw material, treatment installation and use of such a device (2017-06-13),

8. 8770098 - Device for continuous production by extrusion cooking of a food product containing whole solid pieces, and extrusion machine with such a device (2014-07-08),

9. 8268378 - Method of preparing a powdered product (2012-09-18),

10. 8158179 - Method and equipment for the continuous production of an expanded food product (2012-04-17),

11. 7097873 - Method and installation for continuously preparing caseinate (2006-08-29),

12. 6270245 - Extrusion machine barrel having a three-lobe bore, and liner therefor (2001-08-07),

13. 5215373 - Barrel for a material treating machine (1993-06-01),

14. 4983256 - Method for the manufacture of a paper pulp for currency use (1991-01-08),

15. 4951387 - Installation for mounting and removing screws of an extrusion machine (1990-08-28),

Clextral is a prominent player in the field of extrusion technology, specializing in the development and manufacturing of advanced processing equipment for the food, pharmaceutical, and chemical industries. The company focuses on innovative solutions that enhance product quality and operational efficiency. With a strong emphasis on research and development, Clextral is dedicated to providing tailored solutions that meet the evolving needs of its global clientele, leveraging its expertise to drive advancements in extrusion processes.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

28 Patents

#1 in Firminy

#763 in France

#23,262 in the World

Firminy, France

Clextral

Forward Citations = 277

47 inventors:

Jean-Marie Bouvier (6 out of 6 patents)

Daniel Durand (5 out of 5 patents)

Luis Asensio (4 out of 4 patents)

4. Michel Billon (4 out of 4 patents)

5. Maxime Collado (3 out of 3 patents)

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