U.S. federal trademark · Serial No. 50130400
HVAC units; air-handling units; energy recovery ventilators; ventilators for introducing outdoor air into and exhausting indoor air from commercial, industrial, institutional, and educational buildings, and for transferring heat energy between incoming outdoor air and outgoing exhaust air; air filters for HVAC units; heat exchangers not being parts of machines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.