ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,174, issued on Oct. 14, was assigned to KSB SE & Co. KGaA (Frankenthal, Germany).
"Method for operating a wastewater-lifting system" was invented by Michael Becker (Frankenthal, Germany), Juergen Geinitz (Frankenthal, Germany) and Thomas Pensler (Frankenthal, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wastewater-lifting system and a method for operating a wastewater-lifting system guides wastewater loaded with bulky materials into a bulky material collection tank having at least one separating screen. During intake of wastewater, the bulky materials are retained in the bulky material collection tank and pre-cleaned wastewater passes in...