ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,087, issued on Sept. 9.
"Batch and cullet proportioning apparatus" was invented by Jeffrey C. Alexander (Newbury, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus, system, and method for blending batch and cullet at a predetermined cullet ratio for feeding to a furnace. It includes a first hopper for holding cullet; a second hopper for holding batch; feeder associated with the second hopper; a chamber positioned to receive cullet from the first hopper, an inlet spout configured to receive cullet from the first hopper so that cullet flood feeds into the chamber to keep it constantly filled with cullet up to its angle of repose, and an ...