Deputy, IN, United States of America

Donald N Case

This inventor holds 1 USPTO granted patent. Top assignee: Cummins Engine Company, Inc.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald N Case. Retrieved from https://idiyas.com/inventor/donald-n-case

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 = 10.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Innovations of Donald N Case

Introduction

Donald N Case is an accomplished inventor based in Deputy, Indiana, known for his significant contributions to fuel injection technology. He has developed a patented system that enhances engine performance while reducing emissions. His work is particularly relevant in the automotive industry, where efficiency and environmental concerns are paramount.

Latest Patents

Donald N Case holds a patent for a "Fuel injection rate shaping control system." This innovative system effectively controls the flow rate of fuel injected into the combustion chamber of an engine. By managing the rate of pressure increase during injection, it improves combustion efficiency and minimizes emissions. The system features a rate shaping control device with a specifically designed transfer passage that creates a desired injection pressure rate shape. Additionally, it can incorporate multiple passages to provide distinct rate shapes based on varying operating conditions. The design also includes switching valves to direct fuel flow and a dampening mechanism to reduce adverse pressure wave effects.

Career Highlights

Donald N Case is associated with Cummins Engine Company, Inc., where he has applied his expertise in fuel injection systems. His work has contributed to advancements in engine technology, making significant strides in performance and environmental sustainability.

Collaborations

Throughout his career, Donald has collaborated with notable colleagues, including Chung Y Liu and Benjamin M Yen. These partnerships have fostered innovation and have been instrumental in the development of advanced fuel injection technologies.

Conclusion

Donald N Case's contributions to fuel injection technology exemplify the impact of innovative thinking in the automotive industry. His patented systems not only enhance engine performance but also address critical environmental challenges. His work continues to influence the future of engine design and efficiency.

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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