ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,169, issued on Sept. 23, was assigned to Darcy Solutions Inc. (Excelsior, Minn.).
"Groundwater heat exchanger" was invented by Jimmy Bryan Randolph (Minneapolis) and Ryan Matthew Martin-Wagar (Missoula, Mont.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A groundwater heat exchanger includes a distributor, a collector, a plurality of heat exchange pipes, and a housing. The distributor includes a first interior chamber and a first port. The collector includes a second interior chamber and a second port. Each heat exchange pipe includes a first end attached to the distributor and a second end attached to the collector, and defines a fluid passageway...