ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,740, issued on Feb. 3, was assigned to MAHLE INTERNATIONAL GMBH (Stuttgart, Germany).

"Low sound emission flow diffusor as well as air conditioning system comprising the same" was invented by Christof Bacher (Heimerdingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A low sound emission flow diffuser includes a diffuser housing, which limits or forms an installation space, through which a flow path for an air flow of air extends, starting at an inlet opening, which is limited or formed by the diffuser housing on its inflow side, to an outlet opening, which is limited or formed by the diffuser housing on its outflow side. The flow diffuser ...