% Expired Patents = 50.0

Forward Citations = 13

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6 inventors (with patents filed for the assignee):

Karl J Urquhart (2 out of 7 patents)

Norbert Fanjat (2 out of 6 patents)

Georges Guarneri (2 out of 4 patents)

4. Jean-Louis Marc (2 out of 5 patents)

5. Laurent Langellier (2 out of 6 patents)

6. Christophe Colin (2 out of 4 patents)

2 patents: Sort by Forward Citations

1. 7980753 - Systems and methods for managing fluids in a processing environment using a liquid ring pump and reclamation system (2011-07-19),

2. 7871249 - Systems and methods for managing fluids using a liquid ring pump (2011-01-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#938 in Paris

#5,154 in France

Paris, France

Air Liquide Electronics Systems Sa

Forward Citations = 13

6 inventors:

Karl J Urquhart (2 out of 7 patents)

Norbert Fanjat (2 out of 6 patents)

Georges Guarneri (2 out of 4 patents)

4. Jean-Louis Marc (2 out of 5 patents)

5. Laurent Langellier (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Air Liquide Electronics Systems Sa. Retrieved from https://idiyas.com/company/air-liquide-electronics-systems-sa

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]