ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,758, issued on June 17, was assigned to Liberty Pumps Inc. (Bergen, N.Y.).
"Grinder pump and cutting assemblies thereof" was invented by Donald M. Pohler (North Chili, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grinder pump comprising a volute housing and a cutting assembly including a cutter plate comprised of a mounting flange and a cutting disc. The volute housing has a mounting shoulder that is joined to the mounting flange of the cutter plate. The mounting flange includes a mounting surface joined to the mounting shoulder of the volute housing. The mounting flange is comprised of an outer side wall, an inner region, and an inner side...