ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,392, issued on April 15, was assigned to DUKE MANUFACTURING Co.

"Appliance component fault detection" was invented by Gregory Glen Stettes (St. Louis), Benjamin Kingbay Wann (St. Louis), Thomas Earl Kieffer (St. Louis), Madeline Elaine Marsh (St. Louis) and Jeffrey Allen Stafford (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "An appliance having a current sensor configured to monitor load current in the appliance associated with operation of one or more components for determining a fault condition thereof. The appliance comprises a smart controller configured to control operations of the appliance and the one or more components each config...