Sainte Euphemie, France

Gwénael Doulin

This inventor holds 3 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignee: Promens Sa. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gwénael Doulin. Retrieved from https://idiyas.com/inventor/gwénael-doulin

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2019-2025

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3 patents (USPTO):Explore Patents

Title: Innovator Gwénael Doulin: Advancements in Fluid Dispensing Technologies

Introduction

Gwénael Doulin, an innovative inventor based in Sainte Euphemie, France, has made significant contributions to the field of fluid dispensing technology. With a total of three patents to his name, Doulin's latest inventions showcase his expertise in creating efficient and user-friendly dispensing devices.

Latest Patents

Doulin's recent patents focus on enhancing the functionality and reliability of fluid dispensing systems. One of his notable inventions is a **Pump for dispensing a fluid**, which features a pump head, a piston body with a piston, and a pump chamber limited by a chamber body. This design incorporates an inlet valve and an outlet valve, ensuring effective fluid delivery. The pump's innovative return stroke mechanism employs a bellows system, providing efficient compression through dual bellows that facilitate seamless movement from the lower end position back to the upper starting position.

Another significant patent is a **Device for dispensing a product with improved triggering**. This device is designed to connect to a product-containing container and features a stationary piston with a moving cylinder body that defines a dosing chamber. The invention includes an inflow non-return valve with a membrane that ensures precise control over the dosing inlet and maintains the integrity of the product during dispensing.

Career Highlights

Gwénael Doulin is currently employed at Promens S.A., a company dedicated to providing innovative solutions for various industries. Doulin's work at Promens S.A. emphasizes his commitment to advancing fluid dispensing technology and improving user experience through practical inventions.

Collaborations

Throughout his career, Doulin has collaborated with talented individuals such as Pascal Hennemann and Sabine Goettke. Together, they have contributed to the development of advanced fluid dispensing technologies, pushing the boundaries of innovation in their field and ensuring that their inventions meet the needs of modern users.

Conclusion

Gwénael Doulin's contributions to fluid dispensing technology through his patents and collaborative efforts illustrate his passion for innovation. His commitment to enhancing the usability and efficiency of dispensing devices positions him as a noteworthy figure in the field, paving the way for further advancements in technology. With his continued dedication to inventiveness, Doulin is sure to influence the industry for years to come.

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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