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For the Inventor, By the Inventor

Sartrouville, France

Bernard Darredeau

This inventor holds 23 USPTO granted patents, primarily in Gas Separation Technology. Top assignees: L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des, L'air Liquide,societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude, L'air Liquide, Societe Anonyme a Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude. Active years: 1992-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Bernard Darredeau. Retrieved from https://idiyas.com/inventor/bernard-darredeau

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

USPTO Granted Patents = 23

% Patents Active = 95.7

Average Co-Inventor Count = 1.9

ph-index = 8

Forward Citations = 161(Granted Patents)


Company Filing History:

goldMedal16 out of 715 
 
L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des
 patents
silverMedal4 out of 1,527 
 
L'air Liquide,societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude
 patents
bronzeMedal3 out of 295 
 
L'air Liquide, Societe Anonyme a Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude
 patents

Years Active: 1992-2003

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Areas of Expertise:
Gas Separation
Oxygen Production
Air Distillation
Cryogenic Processes
Fluid Mixture Separation
Brazed Plates
Liquid Dispenser
Gaseous Nitrogen
Auxiliary Column
Impurity Control
Gas Turbine Operations
Distillation Installation
23 patents (USPTO):Explore Patents
1. 6666048 - Variable capacity fluid mixture separation apparatus and process (2003-12-23),
2. 6536233 - Process and installation for the production of ultra-pure oxygen by distillation of air (2003-03-25),
3. 6395138 - Liquid dispenser for distilling column, and corresponding distilling column (2002-05-28),
4. 6393864 - Bath reboiler-condenser consisting of brazed plates and its application to an air distillation plant (2002-05-28),
5. 6294053 - Liquid dispenser for oscillating distilling column, and corresponding distilling column (2001-09-25),
6. 6272883 - Plant for separation of a gas mixture by distillation (2001-08-14),
7. 6205815 - Plant for separation of a gas mixture by distillation (2001-03-27),
8. 5901580 - Process and installation for the separation of air (1999-05-11),
9. 5778699 - Process and installation for the production of argon by cryogenic (1998-07-14),
10. 5685172 - Process and device for the preparation of a flow which is substantially (1997-11-11),
11. 5666825 - Process and installation for the separation of air (1997-09-16),
12. 5629208 - Method for controlling impurities in an installation for the separation (1997-05-13),
13. 5592834 - Process and installation for the separation of air (1997-01-14),
14. 5548975 - Process and installation for the separation of a gaseous mixture by (1996-08-27),
15. 5505051 - Process for restarting an auxilliary column for argon/oxygen separation (1996-04-09),

Title: The Innovative Mind of Bernard Darredeau

Introduction: Bernard Darredeau, a distinguished inventor hailing from Sartrouville, France, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Bernard Darredeau's latest patents focus on cutting-edge advancements in renewable energy technologies, particularly in the development of solar-powered devices that are revolutionizing the way we harness and utilize clean energy sources.

Career Highlights: With a career spanning over two decades, Bernard Darredeau has established himself as a visionary in the realm of sustainable technology. His pioneering work has not only earned him international recognition but has also significantly impacted the global shift towards a more environmentally conscious future.

Collaborations: Throughout his career, Bernard Darredeau has collaborated with leading research institutions and innovative companies to further his research and bring his inventions to life. His collaborative efforts have resulted in the successful implementation of several groundbreaking technologies in the market.

Conclusion: Bernard Darredeau's relentless pursuit of innovation and sustainability has solidified his position as a trailblazer in the field of technology. His passion for creating a greener and more efficient world continues to inspire generations of inventors and researchers to push the boundaries of what is possible.

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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