U.S. federal trademark · Serial No. 74450561
hydronic heating systems and components, namely a prepressurized, sealed-in air cushion expansion tank and air elimination equipment to provide oxygen-free, hydraulically stable hydronic system operation, namely a hydronic heating expansion tank, an air purger, in residential systems an air vent, and in commercial systems, an air eliminator valve and an air separator
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.