For the Inventor, By the Inventor

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Saint-Herblain, France

Jouan

USPTO Granted Patents = 18

% Expired Patents = 22.2

EPO Patents = 1

Trademarks = 2

Forward Citations = 236

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25 inventors (with patents filed for the assignee):

Jean-Claude Letourneur (2 out of 5 patents)

Jean Claude Letourneur (2 out of 2 patents)

Michel Serveau (2 out of 3 patents)

4. Jean L Guy (2 out of 2 patents)

5. Jean-Pierre Saladin (1 out of 12 patents)

6. Jean-Philippe Eneau (1 out of 1 patent)

7. Dominique Metais (1 out of 1 patent)

8. Raphaël Reveau (1 out of 1 patent)

9. Jean-Louis Fondin (1 out of 1 patent)

10. Jérôme Beaucour (1 out of 1 patent)

11. Serge Papin (1 out of 1 patent)

12. Jérôme Beaucour (1 out of 1 patent)

13. Bertrand Michea (1 out of 1 patent)

14. Serge Junca (1 out of 1 patent)

15. Gilles Mahe (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 7031803 - Installation for treating products and corresponding data acquisition component (2006-04-18),

2. 6986731 - Rotor with irregularly positioned seats (2006-01-17),

3. 6725117 - Installation for treating substances, and a corresponding workstation and support for substance receptacles (2004-04-20),

4. 6694767 - Work enclosure having article supports that obstruct access openings (2004-02-24),

5. 6512459 - Assembly comprising a work cabinet, an implement for receiving products, and a system for communicating information by radiofrequency waves, corresponding cabinet and implement (2003-01-28),

6. 6446716 - Working enclosure provided with means for recycling the atmosphere (2002-09-10),

7. 6438505 - Device for monitoring the speed of rotation of an electric motor and centrifuging apparatus equipped with such a device (2002-08-20),

8. 6383126 - Rotor-type centrifuge with a lid presence checking arrangement (2002-05-07),

9. 6334841 - Centrifuge with Ranque vortex tube cooling (2002-01-01),

10. 6241650 - Centifuge with pneumatic drive and filtration of the atmosphere of its chamber (2001-06-05),

11. 6205405 - Device for determining the resistive torque of a rotating item of equipment, system for monitoring the operation of an electric motor and system for regulating the operating parameters of a centrifuge incorporating such a device (2001-03-20),

12. 6063018 - Centrifuge having force responsive locking device for securing a rotor (2000-05-16),

13. 5681257 - Centrifuge with removable rotor and device for axial immobilization of (1997-10-28),

14. 5342282 - Centrifuge including a rotor driveshaft with an elastic damping seal and (1994-08-30),

15. 5217572 - Centrifugal evaporator-concentrator for concentrating specimens by (1993-06-08),

Jouan is a French company based in Saint-Herblain, specializing in the design and manufacture of high-quality laboratory equipment and solutions. The organization focuses on providing advanced technologies for various applications, including sample preparation, laboratory automation, and environmental monitoring. Jouan is committed to innovation and quality, serving a diverse range of sectors such as pharmaceuticals, biotechnology, and research institutions, enhancing laboratory efficiency and precision in scientific endeavors.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#1 in Saint-Herblain

#1,094 in France

#34,187 in the World

Saint-Herblain, France

Jouan

Forward Citations = 236

25 inventors:

Jean-Claude Letourneur (2 out of 5 patents)

Jean Claude Letourneur (2 out of 2 patents)

Michel Serveau (2 out of 3 patents)

4. Jean L Guy (2 out of 2 patents)

5. Jean-Pierre Saladin (1 out of 12 patents)

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