ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,808, issued on Sept. 23, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Devices, systems, and methods for a reinforcing ring in a bit" was invented by Youhe Zhang (Spring, Texas) and Huimin Song (Spring, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some aspects, the techniques described herein relate to a bit. The bit includes a bit head formed from a first material. A connection portion is connected to the bit head opposite the bit head. The connection portion has a box connection having an inner surface with a threaded connection for connection to a drill string. A reinforcing ring is formed from a second material....