ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,246, issued on Sept. 30, was assigned to Macondo B.V. (Doetinchem, Netherlands).

"Apparatus for working and homogenizing of a mass of loose or incoherent material and the method of operating of that apparatus" was invented by Jozef Andreas Maria Martens (Doetinchem, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an apparatus for processing and mixing and thus homogenizing of a mass loos or incoherent material and comprises at least one trench silo provided with an inlet opening which is divided in compartments in longitudinal direction. The top layer is scraped from a stack of material present in a compartment b...