GB

Keyguard Limited


USPTO Granted Patents = 4

% Expired Patents = 25.0


Forward Citations = 63

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2 inventors (with patents filed for the assignee):

goldMedal Julian Elwyn Renton (4 out of 14 patents)

silverMedal Peter Nott (2 out of 6 patents)

bronzeMedal Julian Renton (0 patent)


4 patents:

Company Overview
Keyguard Limited is a leading provider of security solutions for homes and businesses. With over 20 years of experience, we offer high-quality security products including CCTV cameras, access control systems, and alarm systems. Our team of experts design and install custom security solutions tailored to the specific needs of each client. Contact us for a free consultation and quote.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#353 in

#3,863 in United Kingdom

GB
GB
Forward Citations = 63

2 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keyguard Limited. Retrieved from https://idiyas.com/company/keyguard

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]
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