ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,594, issued on Nov. 11, was assigned to Bonsen Electronics Ltd. (Guangdong Province, China).
"Household vacuum sealer supplied AC power and heated" was invented by Qincan Li (Dongguan, China) and Haibo Peng (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A household vacuum sealer contains: a base, a lid, and a hot-melt sealing element. The base includes a receiving chamber for accommodating a control circuit and a vacuum pump. The base also includes a vacuuming chamber and an accommodation chamber. The hot-melt sealing element includes a holder, a mica slice, a laminated heating layer, the insulated composite layer, and a protective ...