Glasgow, United Kingdom

John H Stewart

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Barr & Stroud Limited. Active years: 1983-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John H Stewart. Retrieved from https://idiyas.com/inventor/john-h-stewart-ei1cfmbn

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1983-1985

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2 patents (USPTO):Explore Patents

Title: **Innovator John H. Stewart: A Visionary in Gun Fire Control Systems**

Introduction

John H. Stewart, an inventive mind hailing from Glasgow, GB, has made significant contributions to the field of firearms technology. With two patents to his name, Stewart exemplifies the innovation spirit, reflecting a deep understanding of mechanics and electronics in practical applications.

Latest Patents

Stewart's latest patents showcase his expertise in gun fire control systems. One notable invention is a comprehensive gun fire control system that employs a computer featuring dual memory units. The first memory is programmed with true range to standard ballistic range conversion data, enabling the calculation of ballistic ranges based on inputs from a rangefinder. The second memory is programmed with correction coefficients tailored for different ammunition types, ensuring precision in aiming. Enhancements allow operators to input correction values, which are processed through a calculator to adjust parameters for improved targeting accuracy.

His other patent, titled Tracking Link, outlines a system for accurately positioning an aiming mark in visual displays associated with aiming and sighting devices. This system integrates sensors and an electronic processor to adjust for mechanical variances, creating a refined aiming experience that enhances operational effectiveness.

Career Highlights

John H. Stewart's professional journey has been largely associated with Barr & Stroud Limited, a reputable company, where he has applied his innovative prowess to develop advanced aiming solutions. His work has contributed greatly to enhancements in firearm targeting systems, paving the way for modern applications in both military and civilian sectors.

Collaborations

Throughout his career, Stewart has worked alongside notable peers including Gordon R. Smith and Ralph H. Bagnall-Wild. Their collaborations have fostered an environment of innovation, combining diverse expertise to push the boundaries of what's possible in gunfire control technologies.

Conclusion

John H. Stewart's inventive spirit is clearly reflected in his critical contributions to gun fire control systems. His latest patents not only signify technical advancements but also represent the dedication and ingenuity of an inventor committed to enhancing precision in firearms technology. Through his work at Barr & Stroud Limited and collaboration with fellow innovators, Stewart remains an influential figure in the evolution of weapon systems.

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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