ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,023, issued on May 13, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).
"Air emission stack, controlled emission release" was invented by John Achzet (Saint Paul, Minn.), Jared R. Freudenberg (Saint Paul, Minn.), George Milyo Jr. (Saint Paul, Minn.) and Alison Marwitz (Saint Paul, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Many import and export regulations require fumigation of goods, such as products or commodities, to ensure that non-native pests are not introduced. The fumigating process can involve placing the goods in a sealed containment system, and introducing the sealed good to a fumigant, such as methyl bromide gas, for a pre...