Northville, MI, United States of America

John W Smith

This inventor holds 1 USPTO granted patent. Top assignee: Holcroft/loftus Inc.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John W Smith. Retrieved from https://idiyas.com/inventor/john-w-smith-xhg3h86f

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 = 17(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: John W. Smith: Innovator in Furnace Technology

Introduction

John W. Smith is a notable inventor based in Northville, MI (US). He has made significant contributions to the field of furnace technology, particularly with his innovative designs that enhance efficiency and functionality in industrial applications.

Latest Patents

Smith holds a patent for a "Rotary hearth multi-chamber, multi-purpose furnace system." This continuous carburizing furnace system features at least two series-connected rotary furnaces. The design allows for trays of parts to be discharged from any position at any time, accommodating parts with different cycle times to be run simultaneously. The rotary carburizing furnace is multi-zoned and includes wall-mounted fans for uniform control of the gaseous atmosphere within its annular chambers. Additionally, the system incorporates two different quenching apparatuses and a slow cool assembly, enabling various cooling processes on selected parts.

Career Highlights

John W. Smith is currently employed at Holcroft/Loftus Inc., where he continues to develop and refine his innovative furnace technologies. His work has been instrumental in advancing the capabilities of industrial furnaces, making them more versatile and efficient.

Collaborations

Smith collaborates with Gary D. Keil, leveraging their combined expertise to push the boundaries of furnace technology and improve industrial processes.

Conclusion

John W. Smith's contributions to furnace technology exemplify innovation in industrial applications. His patented designs reflect a commitment to enhancing efficiency and functionality in manufacturing processes.

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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