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Villiers le Bel, France

Gilson Sas

USPTO Granted Patents = 49

% Expired Patents = 6.1

CIPO Patents = 10

EPO Patents = 28

Trademarks = 16

Forward Citations = 229

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34 inventors (with patents filed for the assignee):

Hervé Malvoisin (8 out of 8 patents)

Bruno Dudek (7 out of 7 patents)

Francois Viot (6 out of 7 patents)

4. Sanjay Ramsamy (5 out of 6 patents)

5. Stephane Guichardon (4 out of 5 patents)

6. Frédéric Millet (4 out of 6 patents)

7. Stéphane Guichardon (3 out of 3 patents)

8. Claude Voyeux (3 out of 3 patents)

9. Yves May (3 out of 3 patents)

10. Frédéric Alejos (3 out of 3 patents)

11. Nicolas Paris (2 out of 2 patents)

12. Frédéric Sanquer (2 out of 2 patents)

13. Frédéric De Maack (2 out of 2 patents)

14. Bernard Roussel (2 out of 2 patents)

15. Michel Kubacki (2 out of 3 patents)

Core Competencies:

Multi-Channel Pipette

Ergonomic Control

Volume Adjustment

Liquid Sampling

Tip Ejector

Positive Displacement

Fluorination Method

Pipette Design

Sampling Cone

Viscosity Measurement

Piston Assembly

Sample Preparation

49 patents: Sort by Forward Citations

1. 12485411 - Multi-channel pipetting system of improved design (2025-12-02),

2. 12128396 - Manually-operated mono-channel or multi-channel pipettes and control button intended for such pipettes (2024-10-29),

3. 12005383 - Method for fluorinating a filter for a pipette tip, pipette tip, associated production method and pipette (2024-06-11),

4. 11845076 - System for ejecting tips of sampling pipettes with improved ergonomics (2023-12-19),

5. 11559800 - Device for locking a volume adjustment screw for a pipetting system (2023-01-24),

6. 11458466 - Pipette system with interchangeable volume counter (2022-10-04),

7. 11364491 - Dog clutch system for holding the position of a volume adjustment screw for a sampling pipette (2022-06-21),

8. 11192099 - Manually-operated mono-channel or multichannel pipettes and control button intended for such pipettes (2021-12-07),

9. 11084030 - Pipette for sampling an extended range of volumes of liquid (2021-08-10),

10. D917716 - Pipette's upper part (2021-04-27),

11. 10933411 - Pipetting system tip having double conicity (2021-03-02),

12. 10835902 - Support housing for sampling cones for a pipetting system (2020-11-17),

13. 10799860 - Sampling pipette comprising a control member with double function for ejecting a cone and unlocking the system for volume adjustment (2020-10-13),

14. 10799859 - Control button for a sampling pipette (2020-10-13),

15. 10639624 - Multichannel pipetting system comprising two aspiration chambers that are imbricated in one another (2020-05-05),

Gilson Sas, headquartered in Villiers le Bel, France, specializes in the development and manufacturing of advanced pipetting systems and multi-channel pipettes. The company is renowned for its commitment to ergonomic design, ensuring user comfort and efficiency in liquid handling tasks. Gilson's innovative technologies include precise volume adjustment, positive displacement mechanisms, and effective ejection systems, catering to a wide range of applications in laboratories and research environments. Their expertise also extends to fluorination techniques, enhancing the performance and reliability of liquid sampling processes.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

49 Patents

#1 in Villiers le Bel

#483 in France

#14,265 in the World

Villiers le Bel, France

Gilson Sas

Forward Citations = 229

34 inventors:

Hervé Malvoisin (8 out of 8 patents)

Bruno Dudek (7 out of 7 patents)

Francois Viot (6 out of 7 patents)

4. Sanjay Ramsamy (5 out of 6 patents)

5. Stephane Guichardon (4 out of 5 patents)

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