Natrona Heights, PA, United States of America

Royann L Stewart

This inventor holds 1 USPTO granted patent. Top assignee: Ppg Industries, Inc.. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Royann L Stewart. Retrieved from https://idiyas.com/inventor/royann-l-stewart

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1983

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1 patent (USPTO):Explore Patents

Title: Royann L Stewart: Innovator in Glass Melting Technology

Introduction

Royann L Stewart is a notable inventor based in Natrona Heights, PA (US). She has made significant contributions to the field of materials science, particularly in the area of glass melting technology. With a focus on enhancing the efficiency and quality of glass production, her work has implications for various industries.

Latest Patents

Royann holds a patent for a method of melting glass on molten metal alloys. This innovative approach involves using a copper-containing molten metal support to melt glass while inhibiting the diffusion of copper into the melting glass. By including an element less noble than copper at the melter temperature, such as silicon, aluminum, boron, magnesium, manganese, molybdenum, iron, or cobalt, she has improved the melting process.

Career Highlights

Royann is currently employed at PPG Industries, Inc., where she continues to develop her expertise in glass and coatings technology. Her work at PPG has allowed her to apply her innovative ideas in a practical setting, contributing to advancements in the industry.

Collaborations

Royann has collaborated with her coworker, Karl H Bloss, to further explore the applications of her patented technology. Their partnership exemplifies the importance of teamwork in driving innovation and achieving successful outcomes in research and development.

Conclusion

Royann L Stewart's contributions to glass melting technology highlight her role as an influential inventor in her field. Her innovative methods and dedication to improving industrial processes continue to make a significant impact.

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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