US Patent Issued to Baker Hughes Oilfield Operations on Sept. 29 for "Earth-boring tools, hybrid earth-boring tools, and associated apparatus and methods" (Texas Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,636, issued on Sept. 29, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Earth-boring tools, hybrid earth-boring tools, and associated apparatus and methods" was invented by Nathan S. Lockwood (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An earth-boring tool includes a tool body with two or more blades, multiple cutting elements secured to the blades, and at least one roller cone positioned between the blades. The tool includes cutting structures extending from the roller cone, with at least two rows of cutting structures. One of the rows is underexposed and inset from the cutting profile defined by the cutting ele...