ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,011, issued on March 3.
"Volume damper insert" was invented by Balraj Banger (Guelph, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the Volume Damper Insert Assembly, hereafter called Volume Damper Insert, utilized to regulate and adjust airflow in an HVAC system, as well as the method of its installation in the air supply boot, pipe, or duct of the HVAC system. This Volume Damper Insert can be installed even after the completion of ductwork or construction without damaging the structure. Furthermore, adjusting the position of the damper blade of this volume damper insert does not require access to the wing n...