ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,993, issued on March 3.
"Chimney damper assembly" was invented by Darren Smith (Milwaukie, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A chimney damper assembly for allowing a user to control when the damper is closed or open includes a frame mounting to a top of a chimney. The frame is hollow, and a flange extends upwardly the frame. A panel is attached to the frame by a hinge and is pivotally positionable from an open position to a closed position. A loop connector is attached the panel, and a seal is attached to the frame to inhibit ventilation when the panel is in the closed position. A pulley includes a grooved wheel rotatably coupled t...