L'air Liquide,societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude

USPTO Granted Patents = 1,442

CIPO Patents = 86

EPO Patents = 1,273

Trademarks = 36

Forward Citations = 5,382

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1,607 inventors (with patents filed for the assignee):

Jean-Marc Girard (61 out of 76 patents)

Christian Dussarrat (48 out of 84 patents)

Christian Monereau (45 out of 78 patents)

4. Antoine Frenal (44 out of 45 patents)

5. Arthur Darde (37 out of 38 patents)

6. Nicolas Blasco (35 out of 36 patents)

7. Alain Guillard (34 out of 64 patents)

8. Alain Briglia (34 out of 38 patents)

9. Laurent Allidieres (33 out of 33 patents)

10. Jean-Pierre Tranier (29 out of 32 patents)

11. Julien Gatineau (29 out of 29 patents)

12. Benoit Davidian (25 out of 27 patents)

13. Renaud Ligonesche (25 out of 25 patents)

14. Antonio Sanchez (23 out of 25 patents)

15. Gennadiy Itov (23 out of 24 patents)

1,442 patents: Sort by Forward Citations

1. 12510209 - Cryogenic unit (2025-12-30),

2. 12508549 - Gas separation membrane bundle with convertible flow configurations (2025-12-30),

3. 12504338 - Method for fastening an assembly comprising a strain gauge (2025-12-23),

4. 12504226 - Method and apparatus for liquefying a CO-rich gas (2025-12-23),

5. 12503365 - System for purifying argon by cryogenic distillation (2025-12-23),

6. 12502638 - Process and plant for removing carbon dioxide from synthesis gas (2025-12-23),

7. 12498171 - Device and method for liquefying a fluid such as hydrogen and/or helium (2025-12-16),

8. 12497691 - Devices having a rare earth (oxy) fluoride coating for improved resistance to corrosive chemical environments and methods for making and using these devices (2025-12-16),

9. 12492124 - Process and device for membrane separation of a mixture containing hydrogen and carbon dioxide as main components (2025-12-09),

10. 12489104 - Processes for forming metal oxide thin films on electrode interphase control (2025-12-02),

11. 12486835 - Fluid compression apparatus and method (2025-12-02),

12. 12474019 - Fluid transfer installation (2025-11-18),

13. 12474007 - Coupling device and method (2025-11-18),

14. 12473899 - Pumping device, plant and method for supplying liquid hydrogen (2025-11-18),

15. 12473640 - Supply system for low volatility precursors (2025-11-18),

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USPTO Data Jan 1 1976 - Dec 30 2025

1,442 Patents

#2 in

#5 in

#667 in the World