ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,881, issued on Aug. 12, was assigned to INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS) (Chennai, India).

"Integrated thermocouple waveguide sensor system and method to measure physical properties of waveguide material and surroundings" was invented by Krishnan Balasubramanian (Chennai, India) and Suresh Periyannan (Warangal, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an integrated thermocouple waveguide sensor system with one or more of compatible wave propagation mediums joined at one junction with at least one ultrasonic energy transducer on at least one open end of one or more wave guides and a method...