US Patent Issued to CACTUS WELLHEAD on March 11 for "Nested lock screw" (Texas Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,455, issued on March 11, was assigned to CACTUS WELLHEAD LLC (Houston).

"Nested lock screw" was invented by Jacob Emmett (Houston) and Bradley Jones (Pearland, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellhead assembly includes a wellhead housing, the wellhead housing including a lock screw receptacle. The wellhead assembly includes an outer nested wellhead component positioned within the wellhead housing, the outer nested wellhead component including a lock screw aperture. The wellhead assembly includes an inner nested wellhead component, the inner nested wellhead component including an inner receptacle. The wellhead assembly include...