ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,377, issued on March 25, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Detecting hydrocarbon fuels in lubrication oils" was invented by Maha Nour (Thuwal, Saudi Arabia), Amjad Felemban (Thuwal, Saudi Arabia) and Hamad Al Saiari (Al-Khobar, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a plate and a micro-protrusion baffle. The plate defines a microfluidic channel that is configured to flow a sample of lubrication oil. The microfluidic channel has an inlet for receiving the sample of lubrication oil. The microfluidic channel has an outlet for discharging the sample of lubrication oil. The plate d...