ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,502, issued on Jan. 20, was assigned to Fronius International GmbH (Pettenbach, Austria).

"System and method for controlling a heat pump" was invented by Markus Brandstotter (Pettenbach, Austria) and Johannes Muhlegger (Pettenbach, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "Energy system (1) comprising an inverter (3) for converting an electrical direct voltage into an alternating voltage which can be used to supply electrical consumption units (4) of the energy system (1) and can be converted into heat by means of at least one heat pump (7) of the energy system (1), characterised in that in that the heat pump (7) can be controlled by me...