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USPTO Data Jan 1 1976 - Nov 3 2026
10 Patents
#5 in Runcorn
#1,735 in United Kingdom
#56,169 in the World
Acal Energy Limited
Forward Citations = 15
9 inventors:
Acal Energy Limited
Calculating rank
% Expired Patents = 90.0
EPO Patents = 14
Forward Citations = 15
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9 inventors (with patents filed for the assignee):
Kathryn Knuckey (7 out of 7 patents)
Andrew Martin Creeth (7 out of 12 patents)
Andrew Potter (3 out of 3 patents)
4. David Rochester (3 out of 3 patents)
5. Clare Louise Downs (1 out of 2 patents)
6. Brian Clarkson (1 out of 2 patents)
7. Emma Farndon (1 out of 2 patents)
8. Belloumi Kangati (1 out of 1 patent)
9. Robert J Longman (1 out of 11 patents)
10. Andrew Robert Potter (1 patent)
11. David Ward (0 patent)
12. Andrew Creeth (0 patent)
13. Clare Downs (0 patent)
14. Andrew Creeth (0 patent)
15. Jian-Guo c/o Acal Energy Limited Liu (0 patent)
10 patents:
Company Overview
Acal Energy Limited, based in Runcorn, UK, specializes in the development of innovative energy solutions, particularly focusing on fuel cell technology. The company is dedicated to advancing clean energy systems that offer efficient and sustainable alternatives to traditional power sources. Acal Energy's research emphasizes the integration of fuel cells into various applications, aiming to enhance energy efficiency and reduce environmental impact. Their work contributes to the broader transition towards renewable energy and sustainable practices in the energy sector.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Acal Energy Limited. Retrieved from https://idiyas.com/company/acal-energy
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]
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]
14 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]