Derby, United Kingdom

Rory Douglas Stieger

This inventor holds 19 USPTO granted patents and 12 published patent applications and 13 EPO patents, primarily in Gas Turbine Technology. Top assignees: Rolls-Royce Corporation, Rolls-Royce Deutschland Ltd & Co. Kg. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rory Douglas Stieger. Retrieved from https://idiyas.com/inventor/rory-douglas-stieger

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

USPTO Granted Patents = 19 

% Patents Active = 84.2

 

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 126(Granted Patents)


Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Hydrogen Fuel
Gas Turbine Engine
Auxiliary Power Unit
Turbofan
Turboshaft
Electrical Machine
Cooling System
Noise Reduction
Heat Exchanger
Aircraft Systems
Compressor Control
Pneumatic System
19 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Rory Douglas Stieger

Introduction

Rory Douglas Stieger is a prominent inventor based in Derby, GB. He has made significant contributions to the field of aerospace engineering, particularly in the development of advanced gas turbine engines. With a total of 19 patents to his name, Stieger's work has had a profound impact on aircraft technology.

Latest Patents

Among his latest innovations is the Aircraft Auxiliary Power Unit, which features a gas turbine engine comprising an engine core with a core compressor and core turbine. This auxiliary power unit is designed to enhance the efficiency of aircraft operations. Another notable patent is the High Pressure Ratio Gas Turbine Engine, which includes a high pressure turbine and a low pressure turbine, along with a high pressure compressor that operates at an average stage pressure ratio of between 1.25 and 1.35. This engine design is optimized for performance, achieving a core overall pressure ratio at cruise conditions of between 40:1 and 60:1.

Career Highlights

Stieger has worked with renowned companies such as Rolls-Royce Corporation and Rolls-Royce Deutschland Ltd & Co KG. His experience in these prestigious organizations has allowed him to refine his skills and contribute to cutting-edge aerospace technologies.

Collaborations

Throughout his career, Stieger has collaborated with talented individuals, including Daniel Swain and Mark David Taylor. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Rory Douglas Stieger's contributions to aerospace engineering through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the future of aircraft 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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