ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,396, issued on May 27, was assigned to E. Zoller GmbH & Co. KG Einstell- und Messgeraete (Pleidelsheim, Germany).

"Induction heating device" was invented by Alexander Zoller (Pleidelsheim, Germany) and Christian Pfau (Ingersheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An induction heating device for a shrink-clamping and/or unshrink-unclamping of tools into and/or from tool holders, in particular an induction heating unit of a shrink-clamping and/or unshrink-unclamping station for tools, comprises an induction heating unit comprising at least one induction coil which is configured to expand, by heating, at least a portion of the tool...