John Keller Howell

Title: John Keller Howell: Innovator in Cryogenic Systems

Introduction

John Keller Howell, an accomplished inventor based in Tonawanda, NY, has contributed significantly to advancements in cryogenic technology. With a total of three patents to his name, Howell's work focuses primarily on the production and purification of nitrogen gas, making strides in the field of industrial gas separation.

Latest Patents

Howell's latest inventions include notable patents that address critical challenges in cryogenic systems. His first patent, titled "Cryogenic System for Producing Ultra-High Purity Nitrogen," introduces a process that enhances the purification of nitrogen gas, yielding ultra-high purity nitrogen that is remarkably free of impurities such as hydrogen, oxygen, and carbon monoxide. This innovation involves contacting nitrogen gas with a metal-containing adsorbent at temperatures of 150 K or lower.

Another groundbreaking patent by Howell is the "Cryogenic Rectification System with Integral Product Boiler." This system ingeniously incorporates a product boiler into the primary heat exchanger, effectively preventing issues associated with boiling to dryness. In this innovation, liquid processed in a phase separator upstream of the product boiler is efficiently handled, ensuring reliable fluid recovery.

Career Highlights

Throughout his career, John Keller Howell has made impactful contributions while working with esteemed companies such as Praxair Technology, Inc. and Union Carbide Corporation. His experience in these organizations has allowed him to refine his skills and focus on innovations that enhance cryogenic processes.

Collaborations

Howell has had the opportunity to collaborate with notable colleagues in his field, including Ravindra F Pahade and John H Ziemer. His collaborations have fostered an environment of innovation and knowledge sharing, further propelling advancements in cryogenic system design and efficiency.

Conclusion

With three significant patents to his name, John Keller Howell continues to be a driving force in the field of cryogenic technology. His innovative solutions and dedication to producing ultra-high purity nitrogen showcase the potential of advancements in industrial gas purification and separation processes. Howell's contributions not only benefit industries but also demonstrate the importance of continued innovation in science and engineering.