ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,982, issued on April 21, was assigned to Deep Reach Technology Inc..

"Methods for suppression of seabed mining plumes" was invented by Robert D. Blevins (San Diego), John Halkyard (Houston), Michael Rai Anderson (Houston), James Wodehouse (Llano, N.M.) and Samual Holmes (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure addresses the problem of preventing sediment laden water ("sediment slurry") resulting from hydraulic collection of nodules from the seabed from entering the riser and lift system that carries the nodules to the surface as a slurry. An example includes collecting nodules from the seabed by hydraulic su...