ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,327, issued on May 19, was assigned to BSH Hausgerate GmbH (Munich).
"Gas cooktop and ejector tube thereof" was invented by Shuo Pan (Nanjing, China), Jianxiang Ma (Nanjing, China) and Haitao Luo (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ejector tube of a gas cooktop and a gas cooktop. An embodiment of this application relates to an ejector tube of a gas cooktop, including a tube body provided with a gas inlet and a gas outlet, where a plurality of air filling through holes are provided around a wall body of the tube body, thereby helping to improve a mixing effect of gas and primary air."
The patent was filed on Oct. 6, 2021...