ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,433, issued on Oct. 21.
"Automatic HVAC filter change system" was invented by Drew Nielson Ham (Winnemucca, Nev.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic HVAC filter change system is disclosed herein. The automatic HVAC filter change system changes filters automatically by way of a design configured to seamlessly move and change filters while on an automated schedule. The automatic HVAC filter change system provides notification and reminders for when it is done."
The patent was filed on Jan. 17, 2025, under Application No. 19/029,873.
*For further information, including images, charts and tables, please visit: http://patft.uspt...