Philadelphia, PA, United States of America

Graham Thomas Legge

This inventor holds 1 USPTO granted patent. Top assignee: Edwards Limited. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Graham Thomas Legge. Retrieved from https://idiyas.com/inventor/graham-thomas-legge

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 = 2(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: Innovations in Vacuum Systems: The Contributions of Graham Thomas Legge

Introduction

Graham Thomas Legge, based in Philadelphia, PA, is an innovative inventor known for his significant contributions to the field of metallurgy through advanced vacuum systems. With a strong background in engineering, Legge has focused on optimizing processes that are critical for metallurgical processing. His single patent illustrates his expertise and inventive spirit.

Latest Patents

Legge's notable innovation is a vacuum system designed for evacuating a chamber in a metallurgical processing system. This invention includes a vacuum pumping arrangement that efficiently evacuates gas from the chamber, along with a foreline that connects the pumping system to the chamber. One of the standout features of his patent is a filter volume situated within the foreline that is essential for filtering evacuated gas. Additionally, the design incorporates a by-pass line that selectively connects the vacuum pumping arrangement to the chamber, enabling effective monitoring based on the degassing characteristics of the chamber or the vacuum system.

Career Highlights

Graham Thomas Legge is affiliated with Edwards Limited, a company renowned for its cutting-edge vacuum and abatement solutions. Throughout his career, Legge has worked on developing technologies that improve industrial efficiency, with a strong focus on metallurgical applications. His patent reflects a commitment to enhancing metallurgical processing through innovation.

Collaborations

In his endeavors, Legge has collaborated with Michael Andrew Galtry, working together to drive advancements in the field. Their combined efforts exemplify teamwork in innovation, central to the evolution of technologies within the industry.

Conclusion

Graham Thomas Legge stands out as a pioneer in the development of vacuum systems for metallurgical processing. His innovative approach and patent highlight the importance of his work in improving industrial processes. As industries continue to evolve, Legge's contributions serve as a foundation for future advancements in vacuum technology.

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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