ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,440, issued on June 10.
"Automatic smoker" was invented by Shaoyan Zheng (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic smoker, which ignites a combustion medium placed in a combustion chamber by means of an automatic igniter. An ignition needle of the automatic igniter is positioned inside an air inlet port and extends into the combustion chamber, placing the ignition needle at an upwind position. When the ignition needle performs the ignition operation, air enters the combustion chamber through the air inlet hole, promoting the combustion of the combustion medium, thereby enabling the automatic igniter to ignite the ...