ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,628, issued on May 19, was assigned to Shenzhen Harveymed Technology Co. LTD. (Shenzhen, China).
"Household oxygen generator" was invented by Bangping Xie (Shenzhen, China), Hanqing Chen (Shenzhen, China) and Haonan Fan (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a household oxygen generator. The household oxygen generator includes a housing. A compression mechanism, a first air path module and an oxygen generation mechanism which are communicated in sequence are disposed in the housing. The first air path module includes a flow guide pipeline, a movable pipeline and a locking assembly. The movable pipeline is movably ...