Industrial cooking ovens; Industrial curing ovens for industrial use; Industrial curing oven for paper industries; Industrial curing oven for metal industries; Gas generating furnaces for industrial use; Industrial curing ovens, not for food or beverages; Furnaces not for food or beverages; Heating apparatus for furnaces, namely, furnace boilers; Shaped fittings for ovens, namely. spark igniters for gas ovens; Curing ovens for use in the paper, board, metal, and food industries; Curing ovens for industrial use as a drying solution; Electric cooking ovens for household use; Gas fired water heaters; Thermal treatment furnaces; Gas fired combined furnaces for use in the production of steel; Gas fired combined hearth-type and shaft furnaces for use steel production; Gas fired space heating apparatus; Furnaces for industrial use; Infrared radiation units for drying adhesives for use in automated manufacturing process in the nature of thermal spot curing systems; Industrial drying installations, namely, forage drying apparatus; Industrial installations for airing, namely, ventilating fans for industrial purposes; Industrial apparatus for drying, namely, forage drying apparatus; Industrial gas operated devices using air for drying components in the electronics, semiconductor, circuit board, pharmaceutical, medical, and food and beverage industries; Infrared heating panels used for indoor heating purposes; Infrared radiators for heating, not for motors and engines; Incinerators; Heat generating apparatus, namely, heat generators; Steam heating apparatus for industrial or commercial purposes; Burners, namely, gas burners; Oxyhydrogen burners; Oil and gas burners for industrial use; Industrial electric heat-treating furnaces; Gas fired furnaces for industrial purposes; Gas operated apparatus for heating water for industrial purposes; Gas fired heating installations; Gas pre-heating apparatus in the nature of spark igniters for gas appliances for industrial use; Industrial heating installations; Industrial heating apparatus for industrial use in the nature of heating furnaces; Industrial water heaters; Microwave ovens for cooking; Microwave ovens for industrial purposes; Gas fired infrared burners, industrial boilers, and water heaters; Heating units for industrial purposes; Heating apparatus for industrial drying of coatings and lacquers; Electric food dehydrators; Electrically operated apparatus used in drying fodder and forage; Portable electric warm air dryers; Industrial air drying installations for electronics; Drying apparatus and installations for laundry, namely, electric laundry dryers; Industrial furnaces; Gas burners for industrial purposes; Industrial cooking ovens; Industrial cooking installations in the nature of ovens; Industrial heating furnaces; Heating installations for industrial use; Heating installations for use with gaseous fuels; Gas fire radiants, namely, indoor gas radiant heating systems; Electric radiant heating fans; Electric radiant heaters for household purposes; Gas space heaters; Hot water heaters; Electric cooking ovens; Hot water heating installations; Infrared lamps, not for medical purposes; Industrial air drying apparatus for electronics; Industrial and commercial infrared air drying installations for metal drying purposes; Industrial and commercial infrared air drying apparatus for metal drying purposes; Infrared furnaces