Eighty Four, PA, United States of America

Thomas D Sandbrook

This inventor holds 2 USPTO granted patents. Top assignees: Conoco Inc., Consolidation Coal Company. Active years: 1985-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Thomas D Sandbrook. Retrieved from https://idiyas.com/inventor/thomas-d-sandbrook

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 = 2.4

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1985-1989

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2 patents (USPTO):Explore Patents

Title: Thomas D. Sandbrook: Innovator in Flotation Cell Technology

Introduction

Thomas D. Sandbrook is a notable inventor based in Eighty Four, Pennsylvania. He has made significant contributions to the field of flotation cell technology, holding 2 patents that enhance the efficiency of coal separation processes. His innovative methods have been instrumental in optimizing operations within the coal industry.

Latest Patents

Sandbrook's latest patents include a "Method and apparatus for controlling a flotation cell" and "Control of froth cell performance through the use of differential." The first patent describes a method for determining the reflectivity of tailings from a coal flotation cell to optimize its operation. It utilizes a photoelectric detector to assess coal content and employs ultrasonic energy vibrations to maintain detector efficiency. The second patent focuses on controlling the separation of coal from refuse in a froth flotation device by measuring differential back pressure between gas bubbler tubes. This method allows for precise adjustments in the addition of froth enhancement additives, ensuring effective separation and liquid level control.

Career Highlights

Throughout his career, Sandbrook has worked with prominent companies such as Conoco Inc. and Consolidation Coal Company. His experience in these organizations has provided him with valuable insights into the practical applications of his inventions.

Collaborations

Some of his notable coworkers include Roy O. Scandrol and Hayward B. Oblad. Their collaboration has likely contributed to the development and refinement of innovative technologies in the flotation cell sector.

Conclusion

Thomas D. Sandbrook's contributions to flotation cell technology demonstrate his commitment to innovation and efficiency in the coal industry. His patents reflect a deep understanding of the challenges faced in coal separation processes and offer practical solutions to enhance operational performance.

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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