ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,957, issued on Nov. 3, was assigned to Well Traveled Imports (Amelia Island, Fla.).

"Twisting flame intake apparatus for a heater" was invented by XueFeng Huang (Changzhou City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present utility model relates to the technical field of gas heaters, and specifically relates to a rotary intake mechanism and a gas heater having the rotary intake mechanism. A rotary intake mechanism comprises a support plate and a housing, wherein a flame outlet is provided at the center of the housing, and a plurality of air duct pieces are further comprised; the support plate is provided inside of the housing; the ...