ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,857, issued on Dec. 9.

"Barbecue cylinder" was invented by Kang Xu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the present application is a barbecue cylinder. The barbecue cylinder includes a cylinder, and an end cover and a handle which are connected to the cylinder, where an accommodating cavity is formed at the back of the cylinder and is configured to place food; an opening is formed at one end of the cylinder; the end cover is configured to cover the opening; and at least a part of the end cover is detachably connected to the cylinder, so that the end cover can be opened or closed relative to the cylinder. A user...