ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,406, issued on Aug. 25, was assigned to Shih-Ho Chang (Changhua City, Taiwan).
"Rotary multi-cylinder gas compressor" was invented by Shih-Ho Chang (Changhua City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary multi-cylinder gas compressor includes: a stator mechanism including stators including guide ring grooves forming a track; a rotor including a rotary body and a mandrel, the rotary body including cylinders and air holes corresponding to the cylinders; pistons received in the cylinders, each piston defining a piston top dead center and a piston bottom dead center sequentially located relative to the track; and an air cover mech...