ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,229, issued on Dec. 23, was assigned to GRANT PRIDECO INC. (Houston).

"Apparatus for continuous thermal separation of a multi-component substance" was invented by Agnar Hellenes (Forde, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separation apparatus for continuous thermal separation of a substance is fed into a treatment chamber. The substance includes two or more components where at least one of the components is evaporable at an evaporation temperature (Te). The separation apparatus includes a vessel including a vessel wall with an inner surface enclosing the treatment chamber having a length IC, a height H and a width W, a substance ...