Patents by Inventor Tim Twohig

Tim Twohig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Exhaust fan
    Patent number: 12631194
    Abstract: 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 discharging airflow in a direction generally perpendicular to the rotational axis. In some examples, the fan assembly is provided with a volute wall structure to guide airflow from the inlet to the outlet.
    Type: Grant
    Filed: March 1, 2024
    Date of Patent: May 19, 2026
    Assignee: Greenheck Fan Corporation
    Inventors: Vijaya K. Kollipara, Tim Twohig, Shamus Doran
  • EXHAUST FAN
    Publication number: 20240295226
    Abstract: 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 discharging airflow in a direction generally perpendicular to the rotational axis. In some examples, the fan assembly is provided with a volute wall structure to guide airflow from the inlet to the outlet.
    Type: Application
    Filed: March 1, 2024
    Publication date: September 5, 2024
    Inventors: Vijaya K. Kollipara, Tim Twohig, Shamus Doran