ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,723, issued on May 26, was assigned to Eva Maria Leicht (Ebermannstadt, Germany).

"Device and method for controlled heat transfer, in particular to workpieces of large dimensions and masses by means of a condensing liquid" was invented by Helmut Walter Leicht (Ebermannstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention generally relates to a device, a system comprising a plurality of devices and a method for controlled heat transfer, in particular by means of a condensing liquid, to workpieces, and in particular for soldering items to be soldered in a vapor phase zone. The vapor formed when the items to be soldered are...