ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,764, issued on Feb. 3, was assigned to HANON SYSTEMS (Daejeon, South Korea).

"Combination of a refrigerant accumulator and an internal heat exchanger for refrigerant, connection component, internal heat exchanger and accumulator" was invented by Stephan Koester (Langerwehe, Germany), Felix Girmscheid (Cologne, Germany) and Dominik Sernetz (Alpen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combination of a refrigerant accumulator and an internal heat exchanger includes a central portion with fluid portions to which the accumulator and heat exchanger are attachable. A connection component includes at least four fluid ports, and components...