Sugar Land, TX, United States of America

Subhra Dey

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Sri Energy, Inc.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Subhra Dey. Retrieved from https://idiyas.com/inventor/subhra-dey-t6ycvhb5

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 = 33.3

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Subhra Dey

Introduction

Subhra Dey is a notable inventor based in Sugar Land, Texas. She has made significant contributions to the field of engineering, particularly in the development of advanced blowout prevention technologies. Her innovative approach has led to the creation of a unique patent that enhances safety and efficiency in the oil and gas industry.

Latest Patents

Subhra Dey holds a patent for an Annular Blow Out Preventer (BOP). This invention features a symmetrical elastomeric design with hydraulic pistons on either end, as opposed to the conventional single piston design. This innovative configuration allows for lower actuation forces, reduced friction, and minimized wear and tear. The lower actuation forces correspond to lower operating pressures, enabling a smaller body and housing, which results in a reduced footprint.

Career Highlights

Subhra Dey is currently employed at Sri Energy, Inc., where she continues to push the boundaries of engineering and innovation. Her work focuses on creating safer and more efficient technologies for the energy sector.

Collaborations

Throughout her career, Subhra has collaborated with talented professionals, including Alagarsamy Sundararajan and Aravindhan Rajamarthandan. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Subhra Dey's contributions to the field of engineering, particularly through her patent for the Annular Blow Out Preventer, exemplify her innovative spirit and dedication to safety in the energy industry. Her work continues to inspire future advancements in technology.

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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