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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#5 in Ottignies-Louvain-la-Neuve
#1,352 in Belgium
Lhoist Recherche Et Development
Forward Citations = 0
4 inventors:
Ottignies-Louvain-la-Neuve, Belgium
Lhoist Recherche Et Development
% Expired Patents = 100.0
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Frédéric Delfosse (1 out of 4 patents)
Ivan Drouadaine (1 out of 3 patents)
Bernard Laurent (1 out of 3 patents)
4. Didier Lesueur (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lhoist Recherche Et Development. Retrieved from https://idiyas.com/company/lhoist-recherche-et-development
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]
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]
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]