Classe 6
Tanks and vats of metallatticework of metalprefabricated manholes made of metalmanhole covers of metalladders of metalsafety guide rails for ladders of metalclimbing systems for manholes, namely staircases, laddersdoors of metal, especially pressure doors and security doorsmetal railingsstaircases of metalpipelines of metalwater-pipes of metal
Classe 7
Apparatus, devices, machines and installations for separating and cleaning of screenings and sieved materialscreening apparatus, screening devices, screening machines and screening installations for separating solids from water, river water, seawater, rainwater, wastewater and sludge, in particular in the form of screening screws, screening drums and screens, such as rake screens, circulating screens, step screens, basket screens, bar screens and perforated plate screensfiltering apparatus [machines], filtering devices [machines], filtering machines for separating solids from water, river water, sea water, rainwater, waste water and sludge, in particular by rotation filtration, sand filtration, pile fabric filtration and membrane filtrationapparatus, devices, machines and installations for separating and cleaning of sand, in particular sand traps, sand classifiers and sand washersapparatus, devices, machines and installations for conveying aqueous media, in particular sludge, and for conveying solids, in particular screenings, sieved material, sand and wasteapparatus, devices, machines and installations for filtrating and screening of sludgeapparatus, devices, machines and installations for mixing flocculants or flocculation aids into sludge or wastewater, in particular by static or dynamic inline mixersmachine and aggregate parts for the aforesaid goodsall of the aforesaid goods as far as included in this class
Classe 9
Electrical and electronic apparatus, equipment and installations for monitoring, controlling and regulating apparatus, equipment, machines and installations for treating and transporting water, river water, seawater, rainwater, wastewater, sludge, sand, screenings, sieved material and wasteelectrical and electronic apparatus, equipment and installations for metering chemicals, in particular flocculants, flocculation aids, acids and alkalis [excluding machines]
Classe 11
Water purifying apparatus, devices, machines and installations for the treatment of aqueous media, such as water, river water, seawater, rainwater, wastewater and sludge, in particular using chemical, physical and mechanical processes, such as precipitation, flocculation, neutralization, coagulation, adsorption, flotation, dewatering, drying, screening, filtration, stripping, reverse osmosis and electrolysisapparatus, devices, machines and installations for the preparation of screenings and sieved material being parts of water purification unitsapparatus, devices, machines and installations for the purification of water or wastewater by adsorption processes, in particular by activated carbon filters or activated carbon adsorbersapparatus, devices, machines and installations for the preparation of sand, in particular sand traps, sand classifiers and sand washers being parts of water purification unitsapparatus, devices, machines and installations for energy recovery and energy generation from water and wastewater, namely heat exchangers and heat pumpsapparatus, devices, machines and installations for heating or cooling water, wastewater and sludge, namely heat exchangersapparatus, devices, machines and installations for sludge dewatering, sludge drying and sludge incinerationapparatus, devices, machines and installations for the purification of air, in particular air filters for industrial useapparatus, devices, machines and installations for the purification of exhaust air from wastewater treatment plants and drying plants, in particular scrubbers, biofilters, activated carbon filters and installations for oxidative purification, in particular by means of UV radiation or ozoneaggregate parts and fittings for the aforesaid goodsall of the aforesaid goods as far as included in this classapparatus, devices, machines and installations for energy recovery and energy generation from sludge by sludge incineration
Classe 37
Construction, installation, cleaning, maintenance, servicing and repair of apparatus, equipment, machines and installations for the treatment of water, river water, seawater, rainwater, wastewater, sludge, screenings, sieved material and sandconstruction, installation, cleaning, maintenance, servicing and repair of wastewater treatment plants
Classe 40
Industrial and municipal wastewater treatmentindustrial and municipal sludge treatment and recycling
Classe 42
Digital services for wastewater treatment plants for operational support, maintenance support and process optimization, namely evaluation of measurement data and technical analysis of machine data as a basis for services such as operational support, predictive maintenance and process optimization