Sacramento, CA, United States of America

Douglass H Powell

This inventor holds 1 USPTO granted patent. Top assignee: Hunter Innovations, Inc.. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglass H Powell. Retrieved from https://idiyas.com/inventor/douglass-h-powell

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

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: Douglass H Powell: Innovator in Backflow Prevention Technology

Introduction

Douglass H Powell is a notable inventor based in Sacramento, CA, who has made significant contributions to the field of plumbing technology. He is recognized for his innovative approach to backflow prevention, which is crucial for maintaining water quality and safety in various applications.

Latest Patents

Powell holds a patent for a backflow prevention apparatus, which is designed with lightweight, modular construction. This invention provides quick and easy access to internal check valves, enhancing the efficiency and functionality of backflow prevention systems. The apparatus features a tubular valve body with a lateral opening, at least one check valve within the flow stream, and a movable sleeve that covers the lateral opening. This design ensures a fluid-tight seal and allows for easy maintenance.

Career Highlights

Douglass H Powell is associated with Hunter Innovations, Inc., where he continues to develop and refine his inventions. His work in the company has focused on creating practical solutions that address common challenges in plumbing and fluid management. His patent for the backflow prevention apparatus exemplifies his commitment to innovation and quality.

Collaborations

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Conclusion

Douglass H Powell's contributions to backflow prevention technology highlight his role as an innovative inventor. His patent reflects a dedication to improving safety and efficiency in plumbing systems.

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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