ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,977, issued on May 12.
"Simple airflow measurement method for HVAC systems" was invented by Robert J. Mowris (Olympic Valley, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of measuring an HVAC system airflow of an HVAC system having at least one airflow element selected from the group consisting of: an air register, a vent, a grill, a plenum, a duct, an economizer, a condenser, or a box temporarily attached to the HVAC system, wherein the box is in fluid communication and reversibly engaged with the HVAC system, wherein the HVAC system airflow is entering or leaving the least one airflow element. The method comprising drilling a sing...