ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,169, issued on Feb. 10, was assigned to Merlin Technology Inc. (Kent, Wash.).
"Directional drilling target steering apparatus and method" was invented by Bruce Kolpack (Bellevue, Wash.), David Bahr (Bonney Lake, Wash.), Thomas J. Hall (Bainbridge Island, Wash.) and Benjamin J. Medeiros (Coeur d' Alene, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method are used in conjunction with a system for performing horizontal directional drilling, the system including a drill string extending from a drill rig to a boring tool such that the boring tool is steerable based on a roll orientation. The system also includes an arrangement fo...