ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,567, issued on May 12, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).
"Dishwasher with heat recovery apparatus" was invented by Harald Disch (Elzach, Germany) and Martin Schrempp (Biberach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dishwasher includes a heat recovery apparatus to recover thermal energy of the wastewater and/or exhaust air and to transfer the thermal energy to at least one treatment liquid to be sprayed and/or to a drying air. A primary circulation system has a heat pump assembly and a secondary circulation system. A heat exchanger unit of the heat pump assembly enables at least a portion of the thermal ener...