ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,547, issued on Nov. 11, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Swing check valve" was invented by Mousa R. Al-Harbi (Dammam, Saudi Arabia) and Bader M. Al-Jarallah (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A swing check valve includes a valve body that defines a fluid flow path from a fluid inlet to a fluid outlet; a flapper coupled to the valve body and moveable between a first position to allow fluid flow in a primary flow direction through the fluid flow path and a second position to impede fluid flow in a secondary flow direction through the fluid flow path; a seat coupled to or integral with t...