Nashville, TN, United States of America

Robert H Parrish

This inventor holds 11 USPTO granted patents and 2 published patent applications. Top assignees: Spectramet, LLC, National Recovery Technologies, Inc., Sprectramet, LLC. Active years: 2000-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert H Parrish. Retrieved from https://idiyas.com/inventor/robert-h-parrish

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

USPTO Granted Patents = 11 

% Patents Active = 54.5

Average Co-Inventor Count = 4.1

ph-index = 10

Forward Citations = 510(Granted Patents)


Company Filing History:


Years Active: 2000-2014

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11 patents (USPTO):Explore Patents

Title: The Innovations of Robert H. Parrish

Introduction

Robert H. Parrish is a notable inventor based in Nashville, TN (US), recognized for his contributions to the field of container sorting and materials classification. With a total of 11 patents to his name, Parrish has developed innovative technologies that enhance efficiency and accuracy in sorting systems.

Latest Patents

Among his latest patents, Parrish has introduced a "Method and apparatus for improving performance in container sorting." This invention discloses a container sorting system capable of increased sorting efficiency. The device shortens the distance between detection and ejection of containers being sorted by utilizing reflective infrared radiation, transmission infrared radiation, or both. Additionally, it includes a method of operating such a device.

Another significant patent is for "High speed materials sorting using X-ray fluorescence." This system and process classify a piece of material of unknown composition at high speeds. The piece is irradiated with first x-rays from an x-ray source, causing it to fluoresce x-rays. The fluoresced x-rays are detected with an x-ray detector, allowing for classification based on the detected fluoresced x-rays. This process can be completed in less than one second, showcasing the efficiency of Parrish's innovations.

Career Highlights

Throughout his career, Parrish has worked with various companies, including Spectramet, LLC and National Recovery Technologies, Inc. His experience in these organizations has contributed to his expertise in developing advanced sorting technologies.

Collaborations

Parrish has collaborated with notable individuals in the field, including Edward J. Sommer, Jr. and Charles E. Roos. These collaborations have likely enriched his work and led to further advancements in his inventions.

Conclusion

Robert H. Parrish's innovative contributions to container sorting and materials classification demonstrate his significant impact on the industry. His patents reflect a commitment to improving efficiency and accuracy in sorting 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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