US Patent Issued to Copeland on March 25 for "Computerized HVAC filter evaluation system" (Ohio Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,148, issued on March 25, was assigned to Copeland LP (Sidney, Ohio).

"Computerized HVAC filter evaluation system" was invented by Hung M. Pham (Dayton, Ohio), Stuart K. Morgan (West Chester, Ohio) and Brian R. Butler (Centerville, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heating, ventilation, and air conditioning (HVAC) control system generates a request to replace a first air filter installed in an air handler of an HVAC system with a second air filter. The second air filter has a particulate matter removal efficiency rating that is greater than a particulate matter removal efficiency rating of the first filter. The system delays for ...