US Patent Issued to Illinois Tool Works on June 17 for "Cooking exhaust hood ventilation system" (Illinois, Oregon Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,935, issued on June 17, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Cooking exhaust hood ventilation system" was invented by Russell Robison (Yamhill, Ore.) and Kui-Chiu Kwok (Gurnee, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A commercial cooking equipment exhaust hood system includes a hood structure including an inlet opening to an exhaust flow path through the hood. A filter unit is positioned along the exhaust flow path. An electrostatic precipitator unit is downstream of the filter unit. The electrostatic precipitator includes an ionizing section upstream of a collecting section. The ionizing section includes a plurali...