ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,440, issued on July 21, was assigned to Shenzhen Aiper Intelligent Co. Ltd. (Shenzhen, China).

"Swimming pool cleaner" was invented by Shuaishuai Zhong (Longhua Shenzhen, China) and Ruifeng Liu (Longhua Shenzhen, China).

The patent was filed on Sept. 23, 2025, under Application No. D/024,451.

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