ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,132, issued on June 30, was assigned to Boluo Futian Fumao plastic hardware products Co. Ltd. (Huizhou, China).
"Rotary inflating and deflating pump" was invented by Qihao Wang (Huizhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary inflating and deflating pump includes a housing and a pump core, the housing is provided with a chamber therein, the inner bottom wall of the chamber is provided with a housing hole; the pump core includes a pump shell and a driving member; the pump shell is detachably installed into the pump shell; a pump chamber is provided inside the pump shell, and an inlet hole and an outlet hole are provided on one ...