ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,249, issued on March 24.
"Pillow" was invented by Xingjian Zhu (Shanghai), Senmiao Yang (Shanghai), Qi Wei (Shanghai), Hui Wang (Shanghai) and Minhua Zhao (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a pillow and belongs to the technical field of bedding. The pillow comprises an outer pillow cover and a pillow core, wherein the pillow core is detachably filled in the outer pillow cover. The outer pillow cover comprises a first fabric layer and a second fabric layer, and a first phase-change material layer is arranged on an inner surface of the first fabric layer. The pillow core comprises an elastic mate...