US Patent Issued to CRYOLOGISTICS REFRIGERATION TECHNOLOGIES on Sept. 16 for "Passive refrigeration system using carbon dioxide snow" (Canadian Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,440, issued on Sept. 16, was assigned to CRYOLOGISTICS REFRIGERATION TECHNOLOGIES LTD. (Victoria, Canada).

"Passive refrigeration system using carbon dioxide snow" was invented by Will Spaulding (Victoria, Canada), Adrian Gunstone (Victoria, Canada), Liam Welgan-Gunn (Victoria, Canada), Eldad Alber (Victoria, Canada) and Nigel David (Victoria, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passive refrigeration apparatus comprising: (i) a container defining a cargo space; (ii) a liquid carbon dioxide cylinder; (iii) a control valve, in fluid communication with the cylinder; (iv) a controller for activating the control valve to control the ...