ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,139, issued on March 31, was assigned to FRANK'S INTERNATIONAL LLC (Houston).

"Catwalk sensing device" was invented by Justin Ardeneaux (Houston), Matthew Weber (Duson, La.), Keith Lutgring (Lafayette, La.), Tanner Boudreaux (Houston), Robert L. Thibodeaux (Lafayette, La.), Benjamin Latour (Houston) and Jeremy R. Angelle (Youngsville, La.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable catwalk sensing device includes a proximity detector configured to detect a proximity of a conveyor portion of a catwalk tubular transport machine, a tubular carried by the catwalk tubular transport machine, or both, to a predetermined location relative to ...