US Patent Issued to Caterpillar on Oct. 21 for "Bearing materials for tricone bit rolling elements" (Indian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,850, issued on Oct. 21, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Bearing materials for tricone bit rolling elements" was invented by Swetha Suresh (Chennai, India), Gary C. Yerby (Morton, Ill.), Chetan V. Dahiwal (Chennai, India), Thomas J. Yaniak (Peoria, Ill.), Michael A. Pershing (Washington, Ill.), Todd M. Blindt (Canton, Ill.), Scott A. Johnston (East Peoria, Ill.), Timothy F. Nusz (Wyoming, Ill.), Akilan Appavu (Chennai, India) and Benjamin J. Bargfrede (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "Roller cone drill bits and methods of increasing the wear resistance of a roller cone drill bit are disclosed. The roller cone d...