David Hillary Powell (1 out of 21 patents)
Matthew Peter Tidnam (1 out of 38 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,661 in London
#9,890 in United Kingdom
Seymour—pouell Limited
Forward Citations = 11
2 inventors:
Seymour—pouell Limited
% Expired Patents = 100.0
Forward Citations = 11
Loading Chart...
Loading Chart...
2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seymour—pouell Limited. Retrieved from https://idiyas.com/company/seymour-pouell
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]