ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,647, issued on June 10, was assigned to InEnTec Inc. (Richland, Wash.).
"Electromagnetic heating for vitrification" was invented by Daniel R. Cohn (Cambridge, Mass.) and Jeffrey E. Surma (Kennewick, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems include melting or augmenting a melt rate of material in a melter using electromagnetic radiation with a frequency between 0.9 GHz and 10 GHz. In some examples, a power and/or frequency of radiation used may be selected so as to control a temperature of a cold cap in the melter while maintaining emissions from the melter below a threshold level. In this manner, examples described he...