ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,318, issued on May 20, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Motor speed measurement systems" was invented by Nageswara Rao Kalluri (Bangalore, India), Pravinsharma Kaliyannan Eswaran (Bangalore, India), Sridhar Katakam (Bangalore, India), Surendra Somasekhar Valleru (Bangalore, India) and Ashish Vijay (Bikaner, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor speed monitoring system can include a monitor channel having an input configured to connect to an inverter output of an inverter to receive motor command signals from the inverter, and an intelligence module configured to determine a motor speed based on the...