ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,919, issued on April 7, was assigned to CARRIER Corp. (Palm Beach Gardens, Fla.).
"Filtration of HVAC system for improved indoor air quality" was invented by Arun Dev Kanagaraj (Dindigul, India), Alex Raj Arulanandan (Coonoor, India), Manoj Kumar Sahoo (Rourkela, India) and Yusuf Ali Ahamed Yacoob (Madurai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heating ventilation and air conditioning (HVAC) system includes an air handling unit having an air handling unit outlet, and at least one zone having an inlet and an outlet. The at least one zone is operably coupled to the air handling unit outlet. A return air duct fluidly connecting the out...