St. Charles, IL, United States of America

Douglas A Bonfield

This inventor holds 2 USPTO granted patents. Top assignee: The Curran Company. Active years: 1999-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas A Bonfield. Retrieved from https://idiyas.com/inventor/douglas-a-bonfield

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1999-2001

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2 patents (USPTO):Explore Patents

Title: Innovations by Douglas A Bonfield

Introduction

Douglas A Bonfield is an accomplished inventor based in St. Charles, IL (US). He holds 2 patents that showcase his innovative contributions to the field of sprinkler systems. His work focuses on enhancing the efficiency and functionality of these systems, making them more effective in various applications.

Latest Patents

One of his latest patents is a device for regulating the speed of deployment of sprinkler heads in preactive sprinkler systems. This invention features a telescopic high-pressure sprinkler system equipped with multiple gaskets that create sliding seals between the piston and the outer conduit. The design allows the volume between the piston and the outer conduit to form a fluid chamber that compresses as the piston is deployed, effectively dampening the acceleration of sprinkler deployment. Additionally, adjustable bleeder holes are incorporated to regulate the compression of the fluid chamber, while the gaskets provide a cushion when the piston comes to a stop. This innovative approach ensures a smoother operation and enhances the overall performance of the sprinkler system.

Another patent by Bonfield also focuses on regulating the speed of deployment of sprinkler heads. Similar to his first patent, this invention utilizes a telescopic high-pressure sprinkler system with gaskets forming sliding seals. The fluid chamber's compression is managed through bleeder holes, allowing for a controlled deployment of the sprinkler heads. This design not only improves the efficiency of the system but also ensures reliability during operation.

Career Highlights

Douglas A Bonfield is currently associated with The Curran Company, where he continues to develop innovative solutions in the field of sprinkler systems. His expertise and dedication to improving technology have made significant contributions to the industry.

Collaborations

Throughout his career, Bonfield has collaborated with notable colleagues, including Stanley J Zielinski and Joseph J Roling. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions.

Conclusion

Douglas A Bonfield's contributions to the field of sprinkler systems through his innovative patents demonstrate his commitment to enhancing technology. His work not only improves the efficiency of sprinkler systems but also showcases the importance of innovation in practical applications.

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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