Saint-Mandé, France

Jacques Dollfus

This inventor holds 1 USPTO granted patent. Top assignee: Saint-Gobain Techniques Nouvelles. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jacques Dollfus. Retrieved from https://idiyas.com/inventor/jacques-dollfus-zs5u4nuh

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 = 1.0

ph-index = 1


Company Filing History:


Years Active: 1981

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Innovations of Jacques Dollfus in Centrifugal Pump Technology

Introduction

Jacques Dollfus is an accomplished inventor based in Saint Mande, France. He is known for his innovative contributions to the field of pump technology, particularly in the design of self-priming centrifugal pumps. His work has significantly impacted the efficiency and safety of pumping harmful liquids.

Latest Patents

Dollfus holds a patent for a self-priming centrifugal pump and its associated safety installation. This invention features a vertical axis designed specifically for pumping hazardous liquids. The pump includes a fixed body that is closed at its lower end and has a widened upper portion with a truncated cone surface that acts as a seat. The design incorporates removable components, including a pump wheel, a cage, and a driving motor, which rest on the seat. The cage is equipped with horizontal partitions that create distinct chambers for suction, delivery, and venting, each connected to appropriate pipes for efficient operation.

Career Highlights

Jacques Dollfus is associated with Saint-Gobain Techniques Nouvelles, a company known for its innovative solutions in various engineering fields. His work at the company has allowed him to develop advanced technologies that enhance the safety and functionality of pumping systems.

Conclusion

Jacques Dollfus's contributions to centrifugal pump technology demonstrate his commitment to innovation and safety in engineering. His patented designs continue to influence the industry and improve the handling of hazardous materials.

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]
Loading…