ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,043, issued on May 6.
"Core of dual-motor driven inflatable pump" was invented by Wei-Chi Wang (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A core of a dual-motor-driven inflatable pump has a base, a cylinder, two electric motors, and a drive wheel set. The base has an assembly portion, a fixing portion, and a receiving space formed between the assembly portion and the fixing portion. The cylinder is disposed on the base and has a cylinder body, a cylinder head, and a piston rod. The cylinder body is disposed on the fixing portion via the cylinder head. The piston rod is disposed in the cylinder body and extends in the receiving sp...