U.S. federal trademark · Serial No. 71450100 · Reg. No. 0397298
Unitary Combustion Control Equipment for Regulating the Delivery of Air and Fuel Such as Liquid, Gaseous, and Solid Fuels to and for Combustion in Steam Boiler Furnaces, and Metallurgical Furnaces, and Accessories Therefor, Such Equipment and Accessories Comprising Master Regulators, Balanced Float Regulators, Master Senders, Receiving Regulators, Control Panels, Ratio Relays, Single and Multiple Diaphragm Regulators, Oil Operated Pressure Regulators, Oil Operated Gas and Air Regulators, Butterfly Valves, Variable Ratio Regulators, Oil Control Valves, Compensating Relays, Hand Operated Relays for Remote Hand Control, Steam Pressure Reducing and Desuperheating Equipment, Roto-Reciprocating Valves, and Accessories and Parts for the Foregoing Equipment
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