CIPO Patents = 1

Trademarks = 1

Forward Citations = 44

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3 inventors (with patents filed for the assignee):

Keith Thomas Symonds (3 out of 6 patents)

Brian Keith Watton (2 out of 2 patents)

Steven Paul Symonds (2 out of 2 patents)

4. John Edward Hesselgreaves (0 patent)

3 patents: Sort by Forward Citations

1. 6968892 - Heat exchanger (2005-11-29),

2. 6736201 - Heat exchanger and/or fluid mixing means (2004-05-18),

3. 6510894 - Heat exchanger and/or fluid mixing means (2003-01-28),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#26 in Cardiff

#4,888 in United Kingdom

Cardiff, United Kingdom

Chart Heat Exchangers Limited

Forward Citations = 44

3 inventors:

Keith Thomas Symonds (3 out of 6 patents)

Brian Keith Watton (2 out of 2 patents)

Steven Paul Symonds (2 out of 2 patents)

4. John Edward Hesselgreaves (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chart Heat Exchangers Limited. Retrieved from https://idiyas.com/company/chart-heat-exchangers

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]

1 patent (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]