ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,351, issued on Dec. 16, was assigned to DH TECHNOLOGIES DEVELOPMENT PTE. LTD. (Singapore).

"Systems and methods for controlling temperature gradient along a differential mobility spectrometer" was invented by Thomas R. Covey (Newmarket, Canada), Yang Kang (Richmond Hill, Canada) and Bradley B. Schneider (Bradford, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method are provided for controlling the temperature gradient along a differential mobility spectrometer having a differential mobility spectrometer having an inlet and an outlet, wherein the inlet is configured to receive ions transported from an ion source by a transport g...