Chatham, NJ, United States of America

Andrew James Dalziel Ritchie

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent. Top assignee: Infineum USA LP. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew James Dalziel Ritchie. Retrieved from https://idiyas.com/inventor/andrew-james-dalziel-ritchie

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


% Patents Active = 100.0


Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Andrew James Dalziel Ritchie: Innovator in Diesel Engine Lubrication

Introduction

Andrew James Dalziel Ritchie is an accomplished inventor based in Chatham, NJ (US). He is known for his innovative contributions to the field of lubrication for diesel engines. With a focus on enhancing the performance and efficiency of heavy-duty diesel oils, Ritchie has made significant strides in this specialized area.

Latest Patents

Ritchie holds a patent for a crankcase lubricant specifically designed for heavy-duty diesel engines. The patent outlines a unique formulation that includes a major amount of an oil of lubricating viscosity, at least 4 mass % dispersant, at least 0.3 mass % of a metal phenate, less than 0.1 mass % friction modifier, less than 0.3 mass % of ashless sulfurized phenols, and less than 0.12 mass % neutral calcium sulfonate. This innovative oil composition aims to improve the performance and longevity of diesel engines.

Career Highlights

Throughout his career, Ritchie has worked with notable companies such as Infineum USA LP. His experience in the industry has allowed him to develop a deep understanding of lubrication technology and its applications in diesel engines. Ritchie's expertise has contributed to advancements in engine performance and efficiency.

Collaborations

Ritchie has collaborated with several professionals in his field, including Edward Francis Outten and Terence Colclough. These collaborations have fostered a productive exchange of ideas and innovations, further enhancing the development of lubrication technologies.

Conclusion

Andrew James Dalziel Ritchie is a notable inventor whose work in diesel engine lubrication has made a significant impact on the industry. His patent for a specialized crankcase lubricant demonstrates his commitment to innovation and excellence in engineering. Ritchie's contributions continue to influence the performance of heavy-duty diesel engines.

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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