ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,696,889, issued on Aug. 4.
"Water pressure releaser" was invented by Zhenfeng Xu (Yangjiang City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a water pressure releaser, and relates to the field of underwater equipment. The water pressure releaser includes a shell, a movable limiting mechanism is mounted in a middle inside the shell, the shell is a hollow structure, a top groove is formed on an outer wall of a top of the shell, and side grooves are formed on outer walls of two sides of the shell. According to the present application, when the water pressure releaser is in a set water depth, the water pressure ena...