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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#17 in Blackburn
#9,890 in United Kingdom
Longworth Engineering Ltd.
Forward Citations = 0
4 inventors:
Longworth Engineering Ltd.
EPO Patents = 2
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
John Norris (1 out of 2 patents)
Peter John Norris (1 out of 1 patent)
Christopher Reid (1 out of 1 patent)
4. James Peter Millington (1 out of 1 patent)
5. Peter Norris (1 patent)
6. Alan Reid (3 patents)
7. Mark Talbot (1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Longworth Engineering Ltd.. Retrieved from https://idiyas.com/company/longworth-engineering
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]