ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,841, issued on Dec. 9, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Dual source heat pump system" was invented by Olivier Lecoq (Clamart, France) and Matthieu Simon (Clamart, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A thermal system for a facility includes a facility fluid circuit, a ground-source heat pump, and an air-source heat pump. The ground-source heat pump and the air-source heat pump each include a fluid circuit connected to the facility fluid circuit in parallel via a common facility heat exchanger. The ground-source heat pump includes a ground-source heat exchanger for transferring heat between a ground-...