Saint-Étienne-de-Saint-Geoirs, France

Edouard Dumas

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Fichtel & Sachs Ag. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Edouard Dumas. Retrieved from https://idiyas.com/inventor/edouard-dumas

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Edouard Dumas

Introduction

Edouard Dumas, hailing from St. Etienne de St. Geoirs, France, is a notable inventor recognized for his contributions to bicycle technology. His inventive spirit is reflected in the patent he holds, which showcases his engineering prowess and understanding of mechanical systems.

Latest Patents

Dumas' sole patent is a chain driving mechanism for a bicycle or similar vehicles. This innovative design features a chain that runs around a set of sprockets, including a wheel-side and a pedal crank-side sprocket. A distinguishing aspect of his invention is the arrangement of sprockets, where the engaged sprocket lies between larger and smaller diameter sprockets. This design allows the chain to be positioned axially adjacent to the larger sprocket while extending in the opposite direction beyond the smaller sprocket, providing improved functionality.

Career Highlights

Edouard Dumas is associated with Fichtel & Sachs AG, a company known for its advancements in mechanical engineering and bicycle components. His role there has allowed him to further develop his innovative ideas, contributing to the company's reputation in the industry.

Collaborations

Throughout his career, Dumas has worked alongside esteemed colleagues such as Eduard Bergles and Wolf Waschkuhn. Their collaboration has fostered an environment of innovation and creativity, leading to significant developments in mechanical technology.

Conclusion

With his inventive contributions, Edouard Dumas has made a mark in the realm of bicycle mechanics. His patented chain driving mechanism exemplifies the blend of innovation and practicality, reflecting the ongoing evolution of bicycle technology. As he continues to innovate, Dumas stands as an inspiration to aspiring inventors in the field.

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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