US Patent Issued to SAUDI ARABIAN OIL on March 31 for "Control circuit for automatic deactivation of energy reducing maintenance switch" (Saudi Arabia Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,352, issued on March 31, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Control circuit for automatic deactivation of energy reducing maintenance switch" was invented by Md Abid Khan (Al Khobar, Saudi Arabia) and Mohammed Khurmy (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An Energy Reducing Maintenance Switch (ERMS) includes: a first switch that is normally open; a coil that is controlled by the first switch; a relay having instantaneous settings; a first normally-open contact that is controlled by the coil; a delay timer; and a second normally-open contact that is controlled by the delay timer. The coi...