Decines, France

Jean-Marie Letoffe

This inventor holds 3 USPTO granted patents. Top assignees: Elf Antar France, Institut Francais Du Pe'trole. Active years: 1990-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean-Marie Letoffe. Retrieved from https://idiyas.com/inventor/jean-marie-letoffe

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 = 3.5

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Decines Charpieu, FR (1990)
  • Decines, FR (2000 - 2002)

Company Filing History:


Years Active: 1990-2002

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3 patents (USPTO):Explore Patents

Title: The Innovations of Jean-Marie Letoffe

Introduction

Jean-Marie Letoffe is a notable inventor based in Décines, France. He has made significant contributions to the field of emulsion stability, holding a total of 3 patents. His work has implications in various industries, particularly in the oil and gas sector.

Latest Patents

One of his latest patents is a method and device for determining the stability of a water-hydrocarbon emulsion. This invention focuses on assessing the temperature stability of emulsions that can undergo phase separation. The method involves cooling or heating the emulsion to a predetermined temperature and maintaining it at that temperature. By monitoring the weight variations of a gravimetric sensor immersed in the mixture, the stability of the emulsion can be determined by comparing it with reference emulsions known to be stable.

Career Highlights

Throughout his career, Jean-Marie Letoffe has worked with prominent companies such as Elf Antar France and Institut Français Du Pétrole. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of emulsion stability.

Collaborations

Jean-Marie has collaborated with notable individuals in his field, including Pierre Claudy and Jean-Claude Commercon. These collaborations have contributed to the advancement of his research and inventions.

Conclusion

Jean-Marie Letoffe's contributions to the field of emulsion stability through his patents and collaborations highlight his importance as an inventor. His work continues to influence various industries, showcasing the impact of innovation in practical applications.

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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