Santa Fe, TX, United States of America

James M Johnston

This inventor holds 1 USPTO granted patent. Top assignee: Dresser Industries, Inc.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James M Johnston. Retrieved from https://idiyas.com/inventor/james-m-johnston-icxvipir

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

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: James M Johnston: Innovator in Fluid Flow Evaluation

Introduction

James M Johnston is a notable inventor based in Santa Fe, TX (US). He has made significant contributions to the field of fluid dynamics, particularly in the evaluation of flow characteristics behind pipes. His innovative approach has led to the development of a unique method and apparatus that enhances well logging techniques.

Latest Patents

James M Johnston holds a patent for a "Method and apparatus for evaluating flow characteristics of fluid behind." This invention provides a method and system for well logging that offers insights into the characteristics of fluid flow behind pipes. The system utilizes an acoustic listening device positioned within a pipe, close to suspected fluid flow. It detects acoustic energy resulting from the fluid flow and separates it into two frequency groups: one comprising relatively low-frequency acoustic energy and the other comprising relatively higher frequency. The relative distribution of this acoustic energy serves as an indicator of the nature of the fluid flow behind the pipe.

Career Highlights

Throughout his career, James M Johnston has been associated with Dresser Industries, Inc., where he has applied his expertise in fluid dynamics. His work has contributed to advancements in well logging technology, making it more efficient and effective for various applications.

Collaborations

James has collaborated with several professionals in his field, including his coworker Norman R Carlson. Their combined efforts have furthered the development of innovative solutions in fluid evaluation.

Conclusion

James M Johnston's contributions to the field of fluid dynamics through his patented methods have significantly impacted well logging practices. His innovative spirit continues to inspire advancements in technology related to fluid flow evaluation.

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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