ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,095, issued on Sept. 8, was assigned to LECO Corp. (St. Joseph, Mich.).

"Thermal modulator" was invented by Gaetano Stallone (Bari, Italy) and Mark Firmer Merrick (Bridgman, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for modulating analytes in a gaseous stream passing through a capillary, wherein the analytes are retained in a trapping zone of the capillary, or allowed to pass therethrough, based on certain conditions. The method includes, during a first time period, heating the trapping zone of the capillary to a first temperature to desorb analytes therewithin and allow the analytes to pass therethrough, and during a second time...