Saint-Michel Thuboeuf, France

Francis Lesieur

This inventor holds 4 USPTO granted patents and 3 EPO patents. Top assignees: Cryo Bio System, Instruments De Medicine Veterinaire. Active years: 1999-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis Lesieur. Retrieved from https://idiyas.com/inventor/francis-lesieur

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 = 3.6

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • L'Aigle, FR (1999)
  • Saint-Michel Thuboeuf, FR (2012 - 2018)

Company Filing History:


Years Active: 1999-2018

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4 patents (USPTO):Explore Patents

Title: Innovations by Francis Lesieur

Introduction

Francis Lesieur is a notable inventor based in Saint-Michel Thuboeuf, France. He has made significant contributions to the field of cryogenics, particularly in the packaging of biological substances. With a total of 4 patents to his name, Lesieur's work is characterized by innovative solutions that address specific challenges in the preservation of biological materials.

Latest Patents

Lesieur's latest patents include a sheathing designed for packaging a predetermined volume of a biological substance intended to be immersed in a liquid cryogenic agent. This sheathing features a thin tube and a ballast associated with it. Another notable invention is a kit for packaging a predetermined volume of substance to be preserved by cryogenic vitrification. This assembly includes a sheathing with a thin tube of predetermined internal diameter and length, a support for receiving the volume, and a plunger for pushing the support forward into the thin tube.

Career Highlights

Throughout his career, Francis Lesieur has worked with several companies, including Cryo Bio System and Instruments De Medicine Veterinaire. His experience in these organizations has allowed him to develop and refine his innovative ideas in cryogenics.

Collaborations

Lesieur has collaborated with notable individuals in his field, including Philippe Clairaz and Anne-Linda Van Kappel. These collaborations have contributed to the advancement of his inventions and the overall progress in cryogenic technology.

Conclusion

Francis Lesieur's contributions to the field of cryogenics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the preservation of biological substances, showcasing the importance of innovation in this critical area.

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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