Cambridge, United Kingdom

John Coull

This inventor holds 4 USPTO granted patents and 3 published patent applications and 4 EPO patents. Top assignees: Rolls-Royce Corporation, Rolls-Royce Deutschland Ltd & Co. Kg. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Coull. Retrieved from https://idiyas.com/inventor/john-coull

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2020-2025

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of John Coull in Aircraft Propulsion

Introduction

John Coull, an accomplished inventor based in Cambridge, GB, has made significant contributions to the field of aviation with his inventive prowess. Holding a total of four patents, he has focused on enhancing aircraft propulsion systems, showcasing his deep understanding of engineering and fuel technologies.

Latest Patents

Among his latest patents is the groundbreaking design for an aircraft engine fuel system. This innovative propulsion system features a fuel line that efficiently receives liquid hydrogen fuel from a tank. The system includes a vaporizer that transforms the liquid hydrogen into a supercritical or gaseous state, which is then pumped by a main fuel pump. Additionally, it incorporates a heater to elevate the temperature of the gaseous or supercritical fuel for optimal delivery to the propulsion system.

Another notable patent is for a turbine blade designed for gas turbine engines. This turbine blade includes a carefully engineered aerofoil, with its leading edge, trailing edge, and two sidewalls designed for enhanced performance. It features an internal cooling circuit aimed at directing a cooling fluid, complemented by a unique recessed portion which allows for effective cooling fluid flow.

Career Highlights

Throughout his career, John Coull has had the opportunity to work with prestigious organizations in the aerospace industry. Notably, he has contributed his expertise to Rolls-Royce Corporation and Rolls-Royce Deutschland Ltd & Co Kg, where his innovative ideas have led to advancements in aircraft propulsion technology.

Collaborations

John has collaborated with talented individuals such as Shahrokh Shahpar and Matthew Symes, leveraging their collective knowledge to push the boundaries of aeronautical engineering. These collaborations have resulted in innovative solutions that enhance the performance and efficiency of aircraft engines.

Conclusion

John Coull exemplifies the spirit of innovation through his contributions to aircraft propulsion technology. With multiple patents under his belt, his work continues to inspire a new generation of engineers and inventors, reflecting the transformative impact of creative thinking in the aerospace industry.

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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