Versailles, France

Claude Etievant

This inventor holds 8 USPTO granted patents, plus 1 CIPO patent. Top assignees: Commissariat a L'energie Atomique Et Aux Energies Alternatives, Compagnie Europeenne Des Technologies De L'hydrogene, H2-Tech S.a.r.l. Active years: 1991-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Claude Etievant. Retrieved from https://idiyas.com/inventor/claude-etievant

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


% Patents Active = 87.5


Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 94(Granted Patents)


Company Filing History:


Years Active: 1991-2009

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8 patents (USPTO):Explore Patents

Title: Claude Etievant: Innovator in Hydrogen Production

Introduction

Claude Etievant is a notable inventor based in Versailles, France. He has made significant contributions to the field of hydrogen production, holding a total of 8 patents. His work focuses on innovative methods and devices that enhance the efficiency and effectiveness of hydrogen generation.

Latest Patents

One of Etievant's latest patents is a method and device for producing a gas rich in hydrogen through thermal pyrolysis of hydrocarbons. This invention involves a catalyst-free thermal cracking process in a reactor, which pyrolyzes a selected fuel to generate either a hydrogen-rich gas free of carbon monoxide or one that contains carbon monoxide. The gas effluents produced during pyrolysis are utilized as fuel to heat the reactor, achieving the necessary reaction temperature. This method is particularly useful for supplying hydrogen to fuel cells and producing synthesis gas.

Another significant patent by Etievant is related to composite structures of membranes that are selectively permeable to hydrogen. This invention features a filtration bar with an ultra-thin layer made from palladium or silver alloy, which is placed on a permeable, rigid substrate. The design includes a rigid metallic axial structure embedded within the substrate, enhancing its permeability. This technology is especially applicable in hydrogen-producing combustible gas processors.

Career Highlights

Throughout his career, Claude Etievant has worked with prominent organizations such as the Commissariat à l'Énergie Atomique and the Compagnie Européenne des Technologies de l'Hydrogène. His experience in these institutions has contributed to his expertise in hydrogen technologies and innovations.

Collaborations

Etievant has collaborated with notable individuals in his field, including Dominique De Lapparent and Fanny Gaillard. These partnerships have likely enriched his research and development efforts in hydrogen production.

Conclusion

Claude Etievant stands out as an influential inventor in the realm of hydrogen production. His innovative patents and collaborations reflect his commitment to advancing technology in this critical area. His work continues to pave the way for future developments in sustainable energy solutions.

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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