ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,684, issued on July 15, was assigned to Vortex Pipe Systems LLC (Austin, Texas).

"Material flow modifier and apparatus comprising same" was invented by Paul Wayne Schmidt (Carlton, Ore.) and Avijit Ghosh (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Material flow modifiers as disclosed herein overcome drawbacks associated with known adverse flow conditions (e.g., surface erosion, head losses, particulate drop-out, and the like) that arise from flow of certain types of materials (e.g., fluids, slurries, particulates, flowable aggregate, and the like) through a material flow conduit. Such material flow modifiers provide for flow of flo...