ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,714, issued on June 16, was assigned to Cameron International Corp. (Houston).

"Meltable material to seal flow-by passageways" was invented by Kyle Sommerfeld (Houston) and Andrew Sanders (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellhead includes a wellhead housing and a hanger configured to support a casing within the wellhead housing. The wellhead housing, the hanger, or both includes one or more passageways. A seal element is configured to transition from a solid state in a first configuration to a flowable state to flow into the one or more passageways and to transition from the flowable state to the solid state in a second conf...