ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,449, issued on May 20, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Reamer drill bit" was invented by Hussien A. Alzaki (Saihat, Saudi Arabia) and Mohammed Y. Al Daif (Al Qatif, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reamer drill bit includes a body having an outer surface defining a plurality of grooves, and a cutter arm with an interior surface. Each groove extends from a first end of the body to a second end of the body and has at least one groove recess, at least one groove peak connected by a sloped section, and a track arranged in the sloped section. The cutter arm is slidably attached to the body, is ...