ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,255, issued on Oct. 14.

"Drill bit, method, and system" was invented by Rohan Buntval (Manvel, Texas) and Valerie Ferdin (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making a drill bit, including forming a bit body with an outer surface, forming a cutter pocket in the bit body, forming a dam about the cutter pocket that is proud of the surface, hardfacing the bit body to a depth not exceeding a height of the dam. A drill bit, including a bit body having an outer surface, a cutter pocket defined in the bit body, and a dam disposed about the cutter pocket and proud of the outer surface."

The patent was filed on Oct. 13, ...