ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,771, issued on July 15.

"Pressure tank" was invented by Li-Ming Wang (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure tank includes a metallic vessel, a plastic liner received in the metallic vessel, a flexible diaphragm, two connectors and a nozzle coupled to the nipples respectively. The metallic vessel includes upper and lower shells. The upper shell defines a first planar area on a side thereof and a second planar area on a top thereof. The lower shell defines a third planar area thereunder. The flexible diaphragm divides the metallic vessel into a storage space and a pneumatic room. Each of the connectors includes a n...