ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,055, issued on Oct. 14.
"Cooking box functioning with an external source of hot air" was invented by Alexander Levin (Binyamina, Israel) and Hanan-Emanuel Levin (Binyamina, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooking box functions by the supply of an external source of hot air with a temperature higher than 100deg C. This external source of hot air is preferably a solar thermal collector of a flat-plate type or CSP (concentrating solar power) type. Auxiliary details in the cooking box allow to achieve high heat transfer parameters from the hot air to cooking utensils placed in the cooking box. The cooking box can comprise a PCM h...