ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,341, issued on Dec. 30, was assigned to JIANGMEN YIKEMAITE ELECTRONIC TECHNOLOGY Co. LTD (Jiangmen, China).

"Soda machine with automatic gas filling and residual amount detection functions and use method thereof" was invented by Tony Song (Jiangmen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a soda machine with automatic gas filling and residual amount detection functions and a use method thereof. Compared with the prior art, the soda machine is safer to operate, cannot carry out automatic gas filling under the condition that the operation of the soda machine is not standard and can only carry out manual gas filling...