U.S. federal trademark · Serial No. 86326427 · Reg. No. 4793118
Equipment for energy recovery ventilators (ERV), treated fresh air (TFA), dedicated outdoor air system (DOAS) and air handling units (AHUs) for treatment of fresh air to maintain indoor air quality (IAQ), namely, heat wheels, energy wheels, energy recovery wheels and enthalpy wheels; Apparatus sold as an integral component of energy recovery ventilators (ERV), treated fresh air (TFA), dedicated outdoor air system (DOAS) and air handling units (AHUs) for treatment of fresh air to maintain indoor air quality (IAQ), namely, heat wheels, energy wheels, energy recovery wheels and enthalpy wheels
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