Southampton, United Kingdom

James William Phelpstead

This inventor holds 1 USPTO granted patent. Top assignee: Brown & Williamson Tobacco Corporation. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James William Phelpstead. Retrieved from https://idiyas.com/inventor/james-william-phelpstead

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 = 20(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: James William Phelpstead: Innovator in Tobacco Smoke Filtration

Introduction

James William Phelpstead is a notable inventor based in Southampton, GB. He is recognized for his innovative contributions to the field of tobacco smoke filtration. His work focuses on improving the quality of tobacco smoke while maintaining its taste.

Latest Patents

Phelpstead holds a patent for a unique tobacco-smoke filter. This invention involves a material designed to filter tobacco smoke by reducing vapor-phase constituents without adversely affecting the smoke's taste. The filter comprises carbon particles sized between 300 to 1700 microns, which are coated with a barrier layer. This layer is characterized by its specific thickness and porosity, allowing for the effective passage of organic vapors while ensuring non-toxicity and non-volatility.

Career Highlights

James William Phelpstead has made significant strides in his career, particularly through his work with Brown & Williamson Tobacco Corporation. His innovative approach to tobacco smoke filtration has garnered attention in the industry, showcasing his expertise and commitment to enhancing tobacco products.

Collaborations

Phelpstead has collaborated with notable coworkers, including Christopher Robert Jenkins and Robin Arthur Crellin. These partnerships have contributed to the development and refinement of his inventions.

Conclusion

James William Phelpstead's contributions to tobacco smoke filtration highlight his innovative spirit and dedication to improving product quality. His patent reflects a significant advancement in the field, demonstrating the potential for further innovations in tobacco-related technologies.

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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