ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,818, issued on April 8, was assigned to ABBOTT AUTOMATION SOLUTIONS GMBH (Hamburg, Germany).
"System and method for automatic closure of sample vessels" was invented by Robert Hecht (Seehausen, Germany) and Evgeny Gerber (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for automatic closure of sample vessels such as vessels with medical laboratory samples, having a plurality of identically shaped, stackable closure caps with a convex outer face and concave inner face that are stacked in a closure cap stack such that an upper closure cap in the stack bears with its convex outer face on the concave inner face of a l...