For the Inventor, By the Inventor

Enter assignee name

Châlons-en-Champagne, France

Marwal Systems

USPTO Granted Patents = 18

% Expired Patents = 27.8

Forward Citations = 146

Loading Chart...

Loading Chart...

25 inventors (with patents filed for the assignee):

Christophe Gouzou (4 out of 6 patents)

Daniel Brunel (3 out of 3 patents)

Eric Renard (2 out of 3 patents)

4. Robert Renaud (2 out of 6 patents)

5. Karim Benghezal (2 out of 2 patents)

6. Jean Filjak (2 out of 2 patents)

7. Bruno Sertier (2 out of 2 patents)

8. Pascal Leymarie (1 out of 4 patents)

9. Olivier Palluat De Besset (1 out of 1 patent)

10. Emmanuel Demanche (1 out of 1 patent)

11. Jean-Sébastien Fromont (1 out of 1 patent)

12. Dieter Belhauser (1 out of 1 patent)

13. Olivier Vaillant (1 out of 1 patent)

14. Frédérico Vilela (1 out of 1 patent)

15. Laurent Aubree (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 7290992 - Suspension device for an electric pump (2007-11-06),

2. 6941808 - Drawing and gauging device for a motor vehicle fuel tank (2005-09-13),

3. 6851396 - On-board fuel feed system for a motor vehicle (2005-02-08),

4. 6843510 - System for coupling a fuel feed hose with the opening of equipment for filling a motor vehicle tank (2005-01-18),

5. 6786090 - Depth gauge (2004-09-07),

6. 6783329 - Regulating jet pump with two fluid seals, one opening at an intermediate inlet pressure and the other opening at a higher inlet pressure for increased flow through the pump (2004-08-31),

7. 6712590 - Fuel drawing device for motor vehicle tank (2004-03-30),

8. 6589419 - Filtering means for fuel drawing assembly (2003-07-08),

9. 6588269 - Piezoelectric device for measuring liquid level (2003-07-08),

10. 6502558 - Assembly for transferring fuel from a motor vehicle tank (2003-01-07),

11. 6422266 - Liquid transferring assembly, in particular for fuel additive (2002-07-23),

12. 6412517 - Pump device for a gas oil tank of a motor vehicle (2002-07-02),

13. 6364625 - Jet pump comprising a jet with variable cross-section (2002-04-02),

14. 6328063 - Fuel drawing device for motor vehicle tank (2001-12-11),

15. 6305220 - Fuel gauging system for a motor vehicle fuel tank (2001-10-23),

Company Overview

Marwal Systems is a technology company based in Châlons-en-Champagne, France, specializing in advanced software solutions and systems integration. The organization focuses on developing innovative applications that enhance operational efficiency across various sectors. With a commitment to research and development, Marwal Systems leverages cutting-edge technologies to address complex challenges in industries such as telecommunications and data management, positioning itself as a key player in the European tech landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#1 in Châlons-en-Champagne

#1,097 in France

#34,244 in the World

Châlons-en-Champagne, France

Marwal Systems

Forward Citations = 146

25 inventors:

Christophe Gouzou (4 out of 6 patents)

Daniel Brunel (3 out of 3 patents)

Eric Renard (2 out of 3 patents)

4. Robert Renaud (2 out of 6 patents)

5. Karim Benghezal (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marwal Systems. Retrieved from https://idiyas.com/company/marwal-systems

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]

Loading…