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USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#827 in London
#4,888 in United Kingdom
Carbonate Limited
Forward Citations = 87
6 inventors:
Carbonate Limited
% Expired Patents = 66.7
Trademarks = 1
Forward Citations = 87
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6 inventors (with patents filed for the assignee):
Michael John Evans (2 out of 31 patents)
Richard P H Pankhurst (2 out of 7 patents)
Brian Douglas Smith (2 out of 13 patents)
4. Keith Graham Lacy (1 out of 1 patent)
5. Paul Richard Hayes-Pankhurst (1 out of 1 patent)
6. Paul Simon Wells (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Carbonate Limited. Retrieved from https://idiyas.com/company/carbonate
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]