ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,643, issued on March 24, was assigned to SLD Technology Inc. (Portland, Ore.).
"Modular return air device" was invented by Kevin Joseph Schreiber (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A modular return air device includes a body and a first air return configured to facilitate incoming air to enter the body, wherein the body has a grille and a damper. The modular return air device further includes one or more sensors configured to collect data regarding the incoming air and a second air return configured to facilitate the air to exit the body of the modular return air device."
The patent was filed on May 19, 2022, under Appl...