ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,403, issued on Jan. 13, was assigned to CONTINUAL ENERGY INC. (Toronto).

"Modular reversible cascade high temperature heat pump system with predictive defrost control" was invented by Philip Kennedy (Etobicoke, Canada), Nathan Lavoy (Ottawa) and Chadwick Cuirrier (Pickering, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heating system having a plurality of outdoor air source heat pumps. An indoor heat transfer system receives heat from the plurality of outdoor air source heat pumps, and uses the heat for a heating application. The heating system is configured to control the plurality of outdoor air source heat pumps so as to reduce an occu...