US Patent Issued to DH Technologies Development on Jan. 20 for "Overflow sensor for open port sampling probe" (Singaporean Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,225, issued on Jan. 20, was assigned to DH Technologies Development Pte. Ltd. (Singapore).

"Overflow sensor for open port sampling probe" was invented by Wan Ee Ang (Singapore) and Wayne Wei Kang Sng (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a sampling interface for mass spectrometry, a method and apparatus are set forth for preventing liquid overflow from a sampling probe into a sample. The apparatus comprises a substrate adapted to retain a droplet of liquid as it forms at an open end of the sampling probe, and a sensor on a surface of the substrate opposite the sample adapted to detect the droplet of liquid and generate a signa...