ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,803, issued on March 3, was assigned to Mecana AG (Reichenburg, Switzerland).

"Disc filter having a suction device, and method for filtering fluids using a disc filter" was invented by Ulrich Grabbe (Buttikon, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A suction device for a disc filter includes at least one suction bar per discoid filter body and a suction slit designed for suctioning the impurities of the filter cloth, as well as a suction pump for suctioning the impurities. The suction bar is movable radially from the axis of rotation of the disc filter."

The patent was filed on Oct. 6, 2021, under Application No. 18/028,023.

*F...