US Patent Issued to Lennox Industries on Jan. 27 for "Measuring indoor air quality for a heating, ventilation, and air conditioning system" (American, Indian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,391, issued on Jan. 27, was assigned to Lennox Industries Inc. (Richardson, Texas).

"Measuring indoor air quality for a heating, ventilation, and air conditioning system" was invented by Surendran Ramasamy (Chennai, India), Henry Greist (Gainesville, Fla.), Sanjeev Hingorani (Gainesville, Fla.) and Calvin Michaelis (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air quality measuring device that includes a first chamber, a second chamber, a third chamber, and a fourth chamber. The first chamber includes a first inlet configured to receive a first airflow, a first outlet configured to receive a first portion of the first airflow,...