This inventor holds 2 USPTO granted patents and 4 published patent applications, plus 2 CIPO patents. Top assignee: Infineum International Limited. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Andrew Jd Ritchie: Innovator in Lubricating Oil Compositions
Introduction
Andrew Jd Ritchie is a notable inventor based in the United States. He has made significant contributions to the field of lubricating oil compositions, particularly for diesel engines equipped with EGR systems. His work focuses on improving the performance and efficiency of lubricating oils in heavy-duty applications.
Latest Patents
Andrew Jd Ritchie has developed innovative solutions, including patents related to EGR equipped diesel engines and lubricating oil compositions. His latest patents address the soot-induced kinematic viscosity increase of lubricating oil compositions. The patents detail how this increase can be mitigated through the selection of viscosity modifiers, lubricating oil flow improvers, detergents, and dispersants. The lubricating oil compositions he has worked on comprise a major amount of oil of lubricating viscosity and a minor amount of high molecular weight polymers, which include various copolymers and derivatives designed to enhance performance.
Career Highlights
Andrew is currently employed at Infineum International Limited, where he continues to innovate in the field of lubricating oils. His expertise in formulating compositions that improve engine performance is well recognized in the industry. Although he has not been credited with a large number of patents, his contributions are significant in the context of engine lubrication technology.
Collaborations
Throughout his career, Andrew has collaborated with notable professionals in the field, including Jai G Bansal and Jacob I Emert. These collaborations have likely contributed to the advancement of his research and the development of effective lubricating oil solutions.
Conclusion
Andrew Jd Ritchie is a dedicated inventor whose work in lubricating oil compositions has the potential to enhance the performance of diesel engines. His innovative approaches to addressing viscosity challenges demonstrate his commitment to improving engine efficiency and reliability.