Thomas J Johnston

Title: Thomas J Johnston: Innovator in Coolant Measurement and Carbothermic Reduction

Introduction

Thomas J Johnston is a notable inventor based in Rogersville, Alabama, with a significant contribution to the field of thermal management and materials science. He holds five patents that showcase his innovative approaches to measuring coolant quenching rates and improving the efficiency of carbothermic reduction processes.

Latest Patents

One of Johnston's latest patents is titled "Method of and apparatus for measuring coolant quenching rates." This invention includes a metallic disk supported on a ceramic tube, equipped with multiple thermocouples. The disk is heated from above by a torch while coolant is sprayed on its underside. The thermocouples detect temperature changes throughout the disk, allowing for the quantification of heat transfer rates and the investigation of various heat transfer mechanisms and coolants. Another significant patent is the "Composite pellet for use as a carbothermic reduction feed." This composite pellet features a carbonaceous core surrounded by a carbon-free alumina shell, enhancing thermal and electrical stability in reduction furnaces.

Career Highlights

Johnston is currently associated with Reynolds Metals Company, where he applies his expertise in thermal management and materials science. His work has contributed to advancements in the efficiency and effectiveness of industrial processes.

Collaborations

Throughout his career, Johnston has collaborated with notable colleagues, including Nolan E Richards and Howard I Kaplan. These collaborations have likely fostered innovation and the exchange of ideas within their respective fields.

Conclusion

Thomas J Johnston's contributions to the fields of coolant measurement and carbothermic reduction highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes and enhancing material performance.