ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,339, issued on Aug. 12, was assigned to Halliburton Energy Services Inc. (Houston).

"Internal slip including one or more symmetrical teeth" was invented by Shobeir Pirayeh Gar (Carrollton, Texas) and Xiaoguang Allan Zhong (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an internal slip, a sealing/anchoring subassembly, a well system, and method. The internal slip, in one aspect, includes a tubular, the tubular having a tubular inner diameter (IDt) and a tubular outer diameter (ODt). The internal slip, in this aspect, further includes a first set of teeth disposed along the tubular inner diameter (IDt), the first set of teeth co...