US Patent Issued to Schlumberger Technology on Sept. 30 for "Non planar cutting element with non planar interface design and tools incorporating such elements" (Utah Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,914, issued on Sept. 30, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Non planar cutting element with non planar interface design and tools incorporating such elements" was invented by Ronald K. Eyre (Provo, Utah), Feng Yu (Provo, Utah) and Cheng Peng (Provo, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting element may include a substrate having a non-planar upper surface with a peripheral edge, and an ultrahard layer. The upper surface may include at least one depression formed at least proximate the peripheral edge; and a compressive stress hoop extending around the upper surface adjacent the peripheral edge, e...