This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Rolls-Royce Corporation. Active years: 2014-2015.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Helen L Llewellyn-Powell. Retrieved from https://idiyas.com/inventor/helen-l-llewellyn-powell
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
USPTO Granted Patents = 4 (Patent Applications = 1)
EPO Patents = 2 (Patent Applications = 3)
Average Co-Inventor Count = 3.2
ph-index = 3
Forward Citations = 13(Granted Patents)
Company Filing History:
Years Active: 2014-2015
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4 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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 pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Helen L Llewellyn-Powell. Retrieved from https://idiyas.com/inventor/helen-l-llewellyn-powell
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]
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]
3 patents pending (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]