ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,117, issued on July 8, was assigned to ROGERS OIL TOOLS LLC (Abbeville, La.).

"Power tong assembly" was invented by Tommie L. Rogers (Lafayette, La.) and John William Trahan Jr. (Lafayette, La.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tong assembly has a power tong and a backup for making up and breaking out of threaded tubular connections in tubulars such as drill pipe. The power tong assembly has an overall geometry, including but not limited to a jaw die shape, which reduces contact forces on the tubular, and on the tong body. Preferably, the dies have teeth which are angled to enhance engagement on the tubular. Crush zones or pocket...