US Patent Issued to Halliburton Energy Services on July 14 for "Bi-metallic drill bit mandrel utilizing precipitation hardened material pre-joined to a drill bit mandrel suitable for infiltration" (Texas Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,394, issued on July 14, was assigned to Halliburton Energy Services Inc. (Houston).

"Bi-metallic drill bit mandrel utilizing precipitation hardened material pre-joined to a drill bit mandrel suitable for infiltration" was invented by Gregory Grosz (Magnolia, Texas), Daniel Brendan Voglewede (Spring, Texas) and Robert W. Arfele (Montgomery, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject technology relate to tools, system and methods related to a drilling tool that is fabricated using a bimetallic member that is subjected to an infiltration process. The method can include having an amount of precipitation hardenable steel ...