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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#1 in Grays
#9,880 in United Kingdom
Chemviron Carbon Limited
Forward Citations = 3
2 inventors:
Chemviron Carbon Limited
% Expired Patents = 100.0
EPO Patents = 2
Trademarks = 4
Forward Citations = 3
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2 inventors (with patents filed for the assignee):
Harry Sharrock (1 out of 3 patents)
Thomas A Ryan (1 out of 23 patents)
Thomas Anthony Ryan (1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemviron Carbon Limited. Retrieved from https://idiyas.com/company/chemviron-carbon
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]
2 patents (EPO):
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]