ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,372, issued on Aug. 11, was assigned to Dexter Technology LLC (Shrewsbury, Mass.).
"Method for determining fluid flow characteristics and energy efficiency through temperature differential analysis" was invented by Joseph E. Grella (Shrewsbury, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluidic flow restriction measurement device measures the flow characteristics of fluids in ducting, including dryer ventilation systems. By monitoring the exterior temperature of the ducting, and having knowledge of the surrounding ambient air, principles of heat transfer, fluid flow and thermodynamics accurately determine the severity of diameter restric...