ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,657, issued on April 14.
"Rotary batch preheater" was invented by Jeffrey C. Alexander (Newbury, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Rotary heat-exchanger for glass batch and/or cullet, comprising a stationary casing having a gas inlet and outlet, and an interior region between the gas inlet and outlet; a chamber positioned in the casing rotatable with respect to the casing and configured to receive batch material or a mixture with cullet; at least one heat exchange tube in the casing in fluid communication with the gas inlet and outlet; a feeder in communication with the chamber and comprising a feeder housing configured to discha...