ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,511, issued on Nov. 18, was assigned to SUB-MERGENT TECHNOLOGIES INC. (Southlake, Texas).
"Aperture assembly for use with a subsurface ejection vessel" was invented by Mitchell J. NewDelman (Monte Carlo, Monaco) and John A. Sanders (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aperture assembly for use with a subsurface ejection vessel includes an electromagnet, a first dynamic aperture, a second dynamic aperture, a hollow shaft injection drill bit, a third dynamic aperture, collar perforations, and closed window apertures. The electromagnet actuates a closing of the first dynamic aperture. The electromagnet actuates an opening of...