ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,607, issued on Dec. 30, was assigned to Guangzhou Rising Dragon Recreation Industrial Co. Ltd. (Guangzhou, China).
"Water curtain system with switch" was invented by Weixin Tang (Guangzhou, China), Zhiyuan Yuan (Guangzhou, China) and Xuewen Liu (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water curtain system with switch, comprising: a main housing, which is integrally formed, comprises a main cavity structure in the middle, a lower part of the main cavity structure is connected to a water inlet pipe part with an inner diameter smaller than that of the main cavity structure, the connecting port between the main cavity structure...