ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,963, issued on Feb. 24, was assigned to Xinghang Jia (China).
"Mop cleaning device with visualized water spraying state" was invented by Xinghang Jia (Yongkang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mop cleaning device with visualized water spraying state includes a flat mop and a mop bucket; the flat mop comprises a mop rod, a mop head, and a wiping cloth; the mop bucket comprises the water storage area, the cleaning area, and the pumping device; the cleaning area has the squeezing device and the cleaning port, the pumping device sprays water from the water storage area onto the wiping cloth for cleaning, and the cleaning port is p...