ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,277, issued on July 7, was assigned to JVK FILTRATION SYSTEMS GMBH (Nuremberg, Germany).

"Filter plate" was invented by Bernhard Salbaum (Rottenbach, Germany), Uwe Gradl (Nuremberg, Germany) and Alexis Speck (Nuremberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Filter plate with a central working surface and with a plate frame framing the working surface in the manner of a rim and having an increased material thickness compared to the working surface in such a way that the plate frame projects vertically from the plane of the working surface at least on one side, wherein the central working surface and/or the plate frame and/or subassemb...