ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,292, issued on Oct. 6, was assigned to DONGGUAN JIRUI ELECTRONICS & PLASTICS PRODUCTS CO LTD (Dongguan City, China).
"Oil sprayer" was invented by Chi Fai Kun (Dongguan City, China) and Zhidan Wang (Hunan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an oil spray bottle, including an oil storage container, a shroud shell and an oil pumping module. In order to facilitate the pouring of oil into the oil storage container, the oil storage container is designed to be capable of being detached from the oil pumping module, the oil storage container is in threaded connection with the oil pumping module, that is, an external thread is fo...