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USPTO Data Jan 1 1976 - Nov 3 2026
2 Patents
#89 in Edinburgh
#6,535 in United Kingdom
Pgs Em Limited
Forward Citations = 1
1 inventor:
Pgs Em Limited
Calculating rank
% Expired Patents = 100.0
CIPO Patents = 2
EPO Patents = 4
Forward Citations = 1
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1 inventor (with patents filed for the assignee):
Antoni Marjan Ziolkowski (2 out of 11 patents)
Anton Ziolkowski (2 patents)
David Allan Wright (17 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pgs Em Limited. Retrieved from https://idiyas.com/company/pgs-em
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]
2 patents (CIPO):
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]
4 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]