Metallic rolled and cast prefabricated parts of gravity filters with or without preceding helix inducers for separating impurities from roof drainages, including the necessary metal pipes and connecting metal fittings; metal tanks, metal gutters, metal tubes, metal water pipes; all of the aforementioned goods for process water utilization, in particular for rain water utilization; lattices made of metal; water-pipe valves made of metal for process water utilization, in particular for rain water utilization; manhole covers and manhole supports made of metal.;
Pumps, as parts of machines or motors, in particular for pumping water; sieves, as parts of machines, for rain water utilization systems.;
Water pipe systems, water storage systems, water recycling systems, water purification systems, water supply systems, water distribution systems, all the aforementioned goods for process water utilization, in particular rain water utilization; strainers, suction filters, downspout filters, all of the aforementioned goods as parts of domestic or commercial systems, for process water utilization, in particular rain water utilization; electronic control units, adapted for the regulation of water, for rain water utilization systems.;