ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,932, issued on March 11, was assigned to Industrial Vacuum Transfer Services USA LLC (Houston).

"Methods for loading and extracting product in elevated tower" was invented by Randall Earl Thomas (Harwood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Assemblies, apparatuses, and methods to extract or convey a material from a source of the material may include a vacuum generation and sound attenuation assembly and a material receiver to enhance conveyance the material from the source of the material. The vacuum generation and sound attenuation assembly may include a vacuum source positioned to cause a vacuum flow between the source of the mat...