77171122
May 2, 2007
Chemical ion-exchange resin membranes; and chemical preparations in the nature of filtering materials in cleaning of heat exchangers
ChemicalsOptical readers for balls in heat exchangers; optical readers for measuring and inspecting balls in heat exchangers
Electrical and Scientific ApparatusHeat exchangers; units consisting of water debris filters and solid separators being structural parts for plate heat exchangers not being parts of machines; heat exchanger structural fittings, namely, metal conduits and separators for the cleaning and purification of liquids; solid separators for cleaning and purification of liquids in heat exchangers; water debris filters for machine heat exchanger and heat exchanger line cleaning units
Environmental Control ApparatusUnits consisting of sponge rubber and corundum for cleaning heat exchangers and heat exchanger lines by means of hydraulically-driven solid bodies
Rubber GoodsInstallation, upkeep, maintenance, repair and retrofitting of heat exchangers and their individual parts and accessories; cleaning of heat exchangers and heat exchanger lines by means of hydraulically-driven solid bodies, namely, balls and scrapers; outfitting in the nature of cleaning of heat exchangers and of their individual parts and accessories
Building Construction and RepairRemote monitoring services of heat exchangers and their component parts; monitoring of heat exchangers and their individual parts and accessories
Computer and Scientific