ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,504, issued on Oct. 21, was assigned to SWISCA AG (Appenzell, Switzerland).

"Machine for fractionating ground cereal products" was invented by Oliver Ensslin (Flawil, Switzerland) and Jonas Schar (Flawil, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The plansifter or the grain purifying machine includes at least one sieve compartment with an arrangement of several sieve elements with sieves. The sieve compartments can be brought into oscillations in the form of circling movements. At least one of the sieves is designed as a flat body. The sieve holes are present as though-holes. The sieve can be present as a metal sieve with etched thr...