ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,657, issued on May 20.
"Bidirectional blowing fireplace fan" was invented by Zhen Kuang (Jiangxi, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A novel bidirectional blowing fireplace fan relates to the technical field of fireplace fan devices. A first motor and a second motor are arranged in a radiating bracket, the first motor and the second motor are respectively provided with a first fan blade and a second fan blade, and blowing directions of the first fan blade and the second fan blade are opposite. By arranging the wide radiating bracket and the fans blowing in opposite directions on both sides of the wide radiating bracket, bidirection...