Moissy-Cramayel, France

François Joseph Paul Lelong

This inventor holds 1 USPTO granted patent. Top assignees: Centre National De La Recherche Scientifique, Safran Helicopter Engines, Universite Dé Lorraine. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: François Joseph Paul Lelong. Retrieved from https://idiyas.com/inventor/francois-joseph-paul-lelong

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: François Joseph Paul Lelong: Advancing Aircraft Electric and Hybrid Propulsion

Introduction

François Joseph Paul Lelong is an inventor associated with Moissy-Cramayel, France. His patent work addresses aircraft electric and hybrid propulsion, with a focus on energy distribution and protection across multiple propulsion lines.

Latest Patents

Lelong is associated with 1 patent, titled “Aircraft Electric or Hybrid Propulsion Architecture.” The invention describes an aircraft propulsion architecture with at least two propulsion lines. Each line includes at least one electric motor supplied by at least two energy sources through at least two energy supply paths. The paths use energy inverters and electrical protection, while high-voltage direct-current (HVDC) buses distribute power to the motors. The architecture uses at least partially dissimilar energy supply paths, preferably making them completely dissimilar.

Career Highlights

Lelong’s listed professional affiliations include Safran Helicopter Engines and Université de Lorraine. His patent reflects work on electrical architectures intended to support aircraft propulsion using electric or hybrid systems.

Collaborations

His listed collaborators include Pierre Alain Jean-Marie Darfeuil and Serge Lionel Pierfederici. Their names are associated with the patent’s development.

Conclusion

François Joseph Paul Lelong’s patent focuses on distributing and protecting electrical power across aircraft propulsion lines, contributing to the development of electric and hybrid aviation systems.

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]
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