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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#1,655 in London
#9,875 in United Kingdom
Duallok Limited
Forward Citations = 2
2 inventors:
Duallok Limited
% Expired Patents = 100.0
CIPO Patents = 5
EPO Patents = 2
Trademarks = 4
Forward Citations = 2
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2 inventors (with patents filed for the assignee):
Dane Whitehurst (1 out of 10 patents)
Alexander Parker (1 patent)
Burgo Wharton (0 patent)
4. Alexander Parker (0 patent)
5. Burgo Wharton (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Duallok Limited. Retrieved from https://idiyas.com/company/duallok
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]
5 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]
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]