ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,841, issued on Dec. 16, was assigned to Orvil Technologies LLC (Amber, Okla.).
"Earth boring reamer" was invented by Ryan Matthews (Powderly, Texas), Matt Waitman (Tuttle, Okla.) and Rafe Neasbitt (Tuttle, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reamer comprising a shaft, a body, blades and a plurality of cutting elements is described. The shaft has an outer peripheral surface, and a first longitudinal axis. The body is connected to and extends from the outer peripheral surface of the shaft. The blades extend outwardly from the body. The blades each have an outer peripheral surface having a curved profile extending from a leading end ...