ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,815, issued on June 30, was assigned to Halliburton Energy Services Inc. (Houston).

"Containerized system for mixing dry additives with bulk material" was invented by Bryan Chapman Lucas (Duncan, Okla.), Wesley John Warren (Duncan, Okla.), Calvin L Stegemoeller (Duncan, Okla.) and Austin Carl Schaffner (Duncan, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with presently disclosed embodiments, systems and methods for efficiently handling dry additives to be mixed with bulk material in a blender are provided. The systems may include a support structure used to direct bulk material from one or more portable containers on the suppo...