ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,111, issued on Dec. 9, was assigned to Azenta Inc. (Chelmsford, Mass.).

"Capping and de-capping apparatus and a method of operating such an apparatus" was invented by Lars Weber Hovendahl (Hvalso, Denmark), Michael Nielsen (Lejre, Denmark) and Stig Christensen (Greve, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A capping and de-capping apparatus for capping and de-capping tubes disposed in a tube holding rack having a two-dimensional array of apertures for holding the tubes. The apparatus comprises a rack support for supporting the tube holding rack, a head unit adapted for carrying a cartridge comprising at least one capping and de-cappin...