US Patent Issued to INTERNATIONAL DIRECTIONAL SERVICES on July 8 for "Directional core drilling system" (Texas Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,122, issued on July 8, was assigned to INTERNATIONAL DIRECTIONAL SERVICES LLC (Chandler, Ariz.).

"Directional core drilling system" was invented by Zach Thomas (Houston), Kai Penzhorn (Houston) and Brian Smith (The Woodlands, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A directional core drilling includes an outer barrel assembly with a guide sleeve that defines a tilt angle for orientating a drill bit within a hole and a drive barrel rotationally supported within the outer barrel assembly. An inner drive assembly is receivable within the outer barrel assembly and includes a torque latch assembly and an anti-rotation bearing assembly. The to...