ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,481, issued on Feb. 3, was assigned to CARL FREUDENBERG KG (Weinheim, Germany).
"Filter having media packs arranged in a V-shape and protective grid" was invented by Sascha Schumacher (Wald-Michelbach, Germany), Patrick Weber (Weinheim, Germany), Thomas Schroth (Bobenheim-Roxheim, Germany), Renate Tapper (Bensheim, Germany) and Florian Fritz (Moerlenbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cassette filter including a plurality of filter media packs, a frame for receiving the filter media packs, and protective grids. Two filter media packs in each case are arranged in a v-shape, and a gas flows through the filter media packs from...