ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,990, issued on Aug. 11, was assigned to XINGMAI INNOVATION TECHNOLOGY (SUZHOU) COC. LTD. (Suzhou, China).
"Pool robot" was invented by Shilei Zhang (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a pool robot, including a housing provided with a first water outlet hole and an accommodation cavity, a filtering box disposed in the accommodation cavity, and a water baffle plate provided over a second water outlet hole. The second water outlet hole is disposed on the accommodation cavity. When the pool robot is located in water, the water baffle plate closes the second water outlet hole. When the pool robot leaves...