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United States

US 12,703,009 B2

Melee gemstone sorting machine and methods for analysis

US 12,703,009 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: Gemological Institute of America, Inc. (GIA). Its PDF downloads from this page without an account, up to 5 a day.

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Applicant
Gemological Institute of America, Inc. (GIA)
Inventors
Zhen WANG; RJ PISANI; Joseph MCENERY; Barak ERGI; Yong LIU; Hiroshi TAKAHASHI; Sudhin MANDAL
Publication date
2026-08-11
Filing date
2024-08-28
Document type
B2 Granted patent
Also written as
US 12,703,009 B2 · US12703009 · 12703009

Abstract

The present embodiments relate to a modular system to sort and analyze melee sized gemstones in an automated manner. The system can use a rotating tabletop design to separate gemstones for individual analysis and sorting. For instance, a feeder subsystem can obtain gemstones, and a singulation subsystem can orient the gemstones for further processing. The gemstone can move between subsystems due to the rotation of the table. A set of metric subsystems disposed about the table can process aspects of the gemstone to derive metrics for the gemstone.…

The opening of the abstract. The full text is in the PDF.

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Patent office website: United States Patent and Trademark Office (USPTO)

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