ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,437, issued on Feb. 18, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Multiphase flow meter" was invented by Anton Gryzlov (Moscow), Sergey Safonov (Moscow) and Muhammad Arsalan (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a pipe, a multiphase fluid, and a measurement unit. The multiphase fluid is disposed within the pipe. The measurement unit is connected to the pipe and includes a cylindrical structure, a first magnet, a second magnet, a first coil, and a second coil. The cylindrical structure is submersed in the multiphase fluid and has a first end and a second end. The first magnet...