Naperville, IL, United States of America

John T Corwith

This inventor holds 1 USPTO granted patent. Top assignee: International Harvester Company. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John T Corwith. Retrieved from https://idiyas.com/inventor/john-t-corwith

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: John T. Corwith: Innovator in Tractor Work Lighting

Introduction

John T. Corwith is a notable inventor based in Naperville, IL, who has made significant contributions to the field of agricultural machinery. His innovative approach to tractor work lighting has led to the development of a unique patent that enhances safety and efficiency during nighttime operations.

Latest Patents

Corwith holds a patent for a "Tractor work lighting with automatic deluminizing control." This invention features a tractor equipped with a speed-responsive circuit-interrupting switch that automatically douses flood work lamps at night. The switching mechanism is controlled by a microcomputer chip program, which compares the frequency of a ground speed transducer with pre-assigned speed limits. This allows for deluminizing at higher speeds typically associated with highway travel, while relighting occurs at a significantly lower speed, ensuring optimal visibility and safety.

Career Highlights

Throughout his career, John T. Corwith has been associated with the International Harvester Company, where he has contributed to advancements in agricultural technology. His work has focused on improving the functionality and safety of tractors, making them more efficient for nighttime use.

Collaborations

Corwith has collaborated with notable coworkers such as Thomas P. Hillstrom and Robert J. Wilson, who have also contributed to innovations in the agricultural sector. Their combined efforts have led to advancements that benefit the industry as a whole.

Conclusion

John T. Corwith's innovative work in tractor work lighting exemplifies the importance of safety and efficiency in agricultural machinery. His patent reflects a commitment to enhancing the functionality of tractors, making nighttime operations safer for users.

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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