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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1 in Légier-Chiésaz
#4,405 in Switzerland
Spirogen Developments Sàrl
Forward Citations = 66
5 inventors:
Spirogen Developments Sàrl
% Expired Patents = 100.0
Forward Citations = 66
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5 inventors (with patents filed for the assignee):
Arnaud Charles Tiberghien (1 out of 10 patents)
Philip Wilson Howard (1 out of 92 patents)
Luke Masterson (1 out of 17 patents)
4. Stephen John Gregson (1 out of 13 patents)
5. Zhizhi Chen (1 out of 4 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spirogen Developments Sàrl. Retrieved from https://idiyas.com/company/spirogen-developments-sarl
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]