ALEXANDRIA, Va., July 30 -- United States Patent no. 12,376,196, issued on July 29, was assigned to Guangdong Willing Technology Corp. (Huizhou, China).
"Manufacturing process for a food warming pad" was invented by Jingnong Ye (Guangdong, China), Shifa Luo (Guangdong, China) and Kunhuan Feng (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing process for a food warming pad includes the following steps: a pad body with a groove formed on a second surface is manufactured by an integrated molding process; after the heating wire is embedded in the groove, an encapsulation glue is coated, and a drying operation is performed; after the encapsulation glue is completely cured, a control...