6
Screens, gauze, gratings, perforated sheets, conveyors and conveyor belts and frames and supports therefor of metal (included in class 6); Conveyor channels of metal; Deflectors, of metal
7
Machines for screening, classifying, separating and drainage, centrifuging and conveying and parts therefor; Parts of machines, namely screens, gauze, gratings, perforated sheets, protective strips and wear strips of metal and plastic; Screens being parts of machines for drainage, of metal and plastic, in particular screens of metal and screen mats of plastic (other than being parts of wastewater purification equipment); Screen fittings being parts of machines, in particular side wall protectors, blocking and parting beads (other than being parts of wastewater purification equipment); Machines for the sugar industry, mining, the gravel and sand industry and for gravel and sand conveying, sludge, compost and waste processing and parts therefor; Machines for wood processing and for recycling and parts thereof; Machines for drying, cooling and coating and parts therefor; Parts of machines, namely screens, drying plates, fluidisation plates, graters, ventilation plates and conveyor belts of metal and plastic; Hoppers, Namely linings and wear protection parts of plastic, being parts of machines
11
Grates for water courses; Coverings for sanitary installations in the form of sheets or wire meshes; Screen-type coverings for swimming pool overflows; Filters in the form of perforated sheets or wire meshes; In particular filter tubes and plates for making beverages; Drying plates in the form of perforated sheets or wire meshes; Fluidisation plates in the form of perforated sheets or wire meshes; Graters in the form of perforated sheets or wire meshes; Spray pipe protectors and water nozzles of plastic; Screens for the purification of wastewater; Screen cylinders for liquid separation; Impellers of plastic; Screens and screen mats of metal and plastic, being parts of wastewater purification equipment
17
Screens of plastic (included in class 17); Screen mats of plastic, screen fittings, in particular wear protection parts of plastic, sidewall protectors, blocking and parting beads and deflectors, of plastic; Conveyors and conveyor belts of plastic; Conveyor troughs; Deflectors, not of metal; Wear protection parts, in particular linings, guard rails and wear protection parts of plastic