Palo Alto, CA, United States of America

James P Johnston

This inventor holds 1 USPTO granted patent. Top assignee: Exxonmobil Upstream Research Company. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James P Johnston. Retrieved from https://idiyas.com/inventor/james-p-johnston-eg9w0mdp

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 = 6.0

ph-index = 1

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Innovative Contributions of James P. Johnston in Centrifuge Technology

Introduction

James P. Johnston, based in Palo Alto, CA, is a notable inventor with significant contributions to centrifugal separation technology. With one patent to his name, his work in this field has garnered attention, particularly within the petroleum and liquids processing sectors.

Latest Patents

Johnston’s patent, titled "Flow Enhanced One-Pass Centrifuge Separator," addresses the challenges faced by traditional centrifuge systems. This innovative design focuses on the separation of mixtures of two liquids, which may also contain gas. Notably, the centrifuge incorporates separation zones on the rotor's inner wall to enhance efficiency and reduce turbulent mixing. The design includes surface and interface vanes, along with baffle plates, that regulate the flow at the fluid interface. Moreover, the incorporation of cleaning nozzles along a stationary feedpipe aids in maintaining the efficacy of the separator by facilitating the washing process.

Career Highlights

James P. Johnston is currently contributing his expertise at ExxonMobil Upstream Research Company. His involvement in this prestigious organization reflects his commitment to advancing technologies that improve extraction and processing methodologies in the energy sector.

Collaborations

Throughout his career, Johnston has had the opportunity to work alongside talented colleagues such as Lonny R. Kelley and Mark E. Ehrhardt. These collaborations have been instrumental in enhancing research and development efforts within his field.

Conclusion

James P. Johnston's innovative approach to centrifuge technology exemplifies the spirit of ingenuity that drives advancements in various industries. His patent not only reflects his individual contributions but also signifies the collective efforts of his team at ExxonMobil. The impact of such innovations in improving separation processes is vital for enhancing operational efficiencies across liquid processing applications.

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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