ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,911, issued on Sept. 1, was assigned to Industrial Vacuum Transfer Services USA LLC (Houston).

"Assemblies, apparatuses, systems, and methods for material extraction and conveyance" was invented by Randall Earl Thomas (Harwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Assemblies, apparatuses, systems, and method to extract or convey a material from a source of the material may include a vacuum generation and sound attenuation assembly to enhance conveyance the material from the source of the material. The vacuum generation and sound attenuation assembly may include a vacuum source including a plurality of vacuum generators. Each of the p...