IC 011. US 013 021 023 031 034. G & S: Filtration, heating, drying and burning installations, namely, sintered metal fibre filtration installations for petro-chemical, hydraulic, cutting fluid, coalescing, demisting, and gas filtration applications, gas filtration installations for chemical production, natural gas production, coal gasification, gas to liquid processing, production of aluminum, fine powder processing applications, and polymer filtration installations for bottle grade polymer production, packaged film production, specialty polymers, high viscuous petro-chemical and synthetic non-woven applications; burners, namely, gas burners; gas burners for gas installations for domestic use; gas burners designed to operate in high efficiency/condensing boiler appliances; gas burners for furnace boilers for domestic use; gas burners for heating installations for domestic use; gas burning infra-red drying installations, namely, gas fired infra-red emitters in the nature of infrared lamps used in industrial drying units; metal plates and cloths made from metal fibres sold as parts of sintered metal fibre filtration installations for petro-chemical, hydraulic, cutting fluid, coalescing, demisting, and gas filtration applications, gas filtration installations for chemical production, natural gas production, coal gasification, gas to liquid processing, production of aluminum, fine powder processing applications, and polymer filtration installations for bottle grade polymer production, packaged film production, specialty polymers, high viscuous petro-chemical and synthetic non-woven applications