ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,356, issued on Sept. 30, was assigned to BSAC Co. INC. (Gwangyang-si, South Korea).
"Organic fertilizer manufacturing system" was invented by Kwang Gi Park (Gwangyang-si, South Korea) and Hoi Jun Park (Gwangyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present invention provides an organic fertilizer manufacturing system, comprising: a fixed quantity ejector which feeds raw materials into a plurality of hoppers storing different raw materials; a crusher which crushes the raw materials fed from the hoppers; a mixer which mixes the raw materials crushed by the crusher; a steamer which provides moisture to th...