ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,558, issued on Dec. 16, was assigned to Cummins Filtration Inc. (Nashville, Tenn.).
"Particulate matter evacuation pump" was invented by James A. Debilzen (Brooklyn, Wis.), Bryan P. Steffen (Oregon, Wis.), Matt Louison (McFarland, Wis.), Daniel Potratz (Stoughton, Wis.) and Scott W. Schwartz (Cottage Grove, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dry material transfer pump comprises an outer tube including an outer tube channel having an upstream end that is axially aligned with a downstream end thereof, and a plenum portion having a cross-sectional width that is larger than a cross-sectional width of the outer tube channel. A pressuri...