ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,461, issued on July 1, was assigned to MAYEKAWA MFG. Co. LTD. (Tokyo).
"Particles object freezing device" was invented by Hiroshi Ishida (Tokyo), Takaaki Ito (Tokyo), Akira Iwashita (Tokyo) and Pancer Branko (Szentendre, Hungary).
According to the abstract* released by the U.S. Patent & Trademark Office: "A particulate material freezing device includes a belt and an injection plate. The belt is configured to support conveyance of a particulate material and has air permeability. The injection plate includes a plurality of injection holes configured to inject a cooling gas to the belt from below. Further, the belt includes a sliding portion configured to move while sliding on an upp...