US Patent Issued to Greenheck Fan on May 19 for "Exhaust fan" (Michigan, Wisconsin Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,194, issued on May 19, was assigned to Greenheck Fan Corp. (Schofield, Wis.).

"Exhaust fan" was invented by Vijaya K. Kollipara (Weston, Mich.), Tim Twohig (Schofield, Wis.) and Shamus Doran (Kronewetter, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust fan assembly can include an outer housing, a fan housing mounted to the outer housing, a fan wheel and an electric motor operably coupled to the fan wheel, the fan wheel and electric motor being mounted within the fan housing, wherein the fan housing defines an open inlet side for accepting airflow in a direction generally parallel to a rotational axis of the fan wheel and an outlet for ...