Los Altos Hills, CA, United States of America

Richard L Stone

This inventor holds 3 USPTO granted patents. Top assignee: Wallace-Murray Corporation. Active years: 1977-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard L Stone. Retrieved from https://idiyas.com/inventor/richard-l-stone-cd2xov5h

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 = 1.0

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Los Altos Hills, CA (US) (1977)
  • Los Altos, CA (US) (1984)

Company Filing History:


Years Active: 1977-1984

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3 patents (USPTO):Explore Patents

Title: Innovations by Richard L. Stone

Introduction

Richard L. Stone is a notable inventor based in Los Altos Hills, California. He has made significant contributions to the field of engineering, particularly in the design of innovative chimney systems. With a total of three patents to his name, Stone's work reflects a commitment to enhancing safety and efficiency in construction.

Latest Patents

One of his latest patents is for a prefabricated double-walled metal chimney. This innovative design features prefabricated sections that are packed with compressible mineral fiber insulation material between the inner and outer metal walls. Each section is designed with a male and female end, allowing for easy interconnection while maintaining structural integrity. This design effectively reduces heat conductivity and gas leakage. The female end includes a flexible diaphragm-like insulation retainer and seal, while the male end utilizes a rigid spider structure. This ensures that even under high temperatures, the insulation maintains a gas seal.

Another significant patent by Stone is the expansion joint for the prefabricated double-walled metal chimney. This joint allows for easy installation at job sites without the need for cutting chimney sections. It includes gaskets positioned on the inner wall members to prevent the escape of flue gases, enhancing the overall safety and functionality of the chimney system.

Career Highlights

Richard L. Stone is associated with Wallace-Murray Corporation, where he applies his expertise in engineering and innovation. His work at the company has been instrumental in developing advanced chimney systems that prioritize safety and efficiency.

Conclusion

Richard L. Stone's contributions to the field of engineering through his innovative chimney designs demonstrate his commitment to improving safety and efficiency in construction. His patents reflect a deep understanding of engineering principles and a dedication to advancing industry standards.

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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