ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,757, issued on Feb. 3, was assigned to Watlow Electric Manufacturing Co. (St. Louis).
"Heater bundles with local power switching" was invented by Mark Everly (St. Charles, Mo.), Trevor Smith (O'Fallon, Mo.) and Jacob Spooler (Maryland Heights, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heater system includes a heater bundle. The heater bundle includes at least one heater assembly, where the heater assembly includes a plurality of heater units, and more than one of the heater units defines at least one independently controlled heating zone. The heater bundle includes a plurality of power conductors electrically connected to the independently...