% Expired Patents = 33.3

CIPO Patents = 3

EPO Patents = 6

Trademarks = 2

Forward Citations = 45

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4 inventors (with patents filed for the assignee):

Oliver Auston (4 out of 19 patents)

Duncan Barrier (3 out of 3 patents)

Brian Dawson (1 out of 1 patent)

4. Roderick Charles Tasman Rainey (1 out of 1 patent)

5. Roderick Charles Rainey (0 patent)

6. Francis James Farley (0 patent)

7. Duncan James Barrier (0 patent)

6 patents: Sort by Forward Citations

1. 10035029 - Fall arrest harness (2018-07-31),

2. 9464620 - Wave energy machine (2016-10-11),

3. 9387351 - Support post assembly for a safety line system (2016-07-12),

4. 9062469 - Safety anchor device (2015-06-23),

5. 8991556 - Fall arrest block (2015-03-31),

6. 8800719 - Fall arrest block (2014-08-12),

Company Overview

Checkmate Limited is a leading provider of security solutions for businesses and individuals. Our products and services include access control systems, CCTV surveillance, alarm systems, and security guards. With over 20 years of experience in the industry, we are committed to protecting our clients' assets and ensuring their safety.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#15 in Kent

#2,679 in United Kingdom

Kent, United Kingdom

Checkmate Limited

Forward Citations = 45

4 inventors:

Oliver Auston (4 out of 19 patents)

Duncan Barrier (3 out of 3 patents)

Brian Dawson (1 out of 1 patent)

4. Roderick Charles Tasman Rainey (1 out of 1 patent)

5. Roderick Charles Rainey (0 patent)

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

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]

6 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]