ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,674, issued on Jan. 27, was assigned to Azenta US Inc. (Chelmsford, Mass.).
"Sample tube and rack to reduce ice formation on barcode" was invented by Volfango Bertola (Liverpool, Great Britain), David Porter (Warrington, Great Britain) and Maisara Abualqumboz (Salford, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The 2D barcode at the base of a sample tube is protected from frosting by an air pocket within a wall of high thermal conductivity material that surrounds the barcode. The wall is of thermal conductivity greater than 14W/m K and preferably greater than 200W/m K. The wall may be formed as a skirt extending from the base of th...