ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,042, issued on Feb. 11.
"Air valve assembly and inflatable cushion" was invented by Xiaoping Ding (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air valve assembly and an inflatable cushion, which comprises an air storage bag, a first check valve and a second check valve. In specific application, the air valve assembly can be integrally installed on the inflatable cushion, and users can rapidly inflate inflatable products by repeatedly pressing the air storage bag. By arranging the first check valve and the second check valve, the inflatable product can be quickly inflated, and at the same time, the air of the inflatable product...