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USPTO Data Jan 1 1976 - Oct 6 2026
3 Patents
#36 in Nottingham
#4,888 in United Kingdom
Speir Hunter Ltd
Forward Citations = 7
10 inventors:
Speir Hunter Ltd
CIPO Patents = 3
EPO Patents = 3
Forward Citations = 7
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10 inventors (with patents filed for the assignee):
Chau Ky Vo (3 out of 3 patents)
Ben Varcoe (3 out of 3 patents)
David Matthew Joseph Cowell (3 out of 5 patents)
4. Steven Freear (3 out of 6 patents)
5. Stephen George Henry Staples (3 out of 3 patents)
6. Christopher Lee Cookson (1 out of 1 patent)
7. Chau Vo (0 patent)
8. Steven Freear (0 patent)
9. Chau Vo (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Speir Hunter Ltd. Retrieved from https://idiyas.com/company/speir-hunter
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]
3 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]
3 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]