Classe 1
Filtering compositionsfiltering material (unprocessed plastics, chemical preparations, mineral substances, vegetable substances)carbon filteractivated carboncellulose for filtering purposesfiltering materials of ceramics, especially in particulate form
Classe 7
Oil filterdiesel filterfuel filteremission reduction units, namely, catalytic converters, especially for automotive enginesfilters for cleaning cooling air (for engines)filters for gases (machines)anti-pollution devices for motors and engineshydraulic oil filtersifting machinefilters and filter cartridges for filtering machinesfilters [parts of machines, motors, or engines]vacuum filtersfilter housings as part of motors and machines
Classe 11
Air filterselectrostatic air filterswater filterswater treatment filtersfilters for swimming poolsfilters for gases (household or industrial installations)filter cartridges for gas, air and liquid filtration installations and apparatus, in particular ready-made filter cartridges of non-woven fabricsmembranes for water filtering apparatusmembrane for reserve osmosis unitsair and water filter cartridges of non-woven fabrics for reinforcing semi-permeable diaphragms for microfiltration and ultrafiltration and reverse osmosismembranes for the filtration of waterreserve osmosis membrane filters for water treatmentfilters and filter cartridges for milk, beverage and drinking water filtration installations and apparatus, in particular ready-made filter cartridges for liquids of non-woven fabricsair conditioners for vehiclesair or water filters for household or industrial installationsfilters for air conditioning, ionization apparatus for the treatment of airfilters for drinking waterair and water filters comprising glass fibers, especially microfibers made of glassair filtering installationsair purifying apparatus and machinesair cooling apparatusgas scrubbing apparatuswater filtering apparatuswater purifying apparatus and machineswater purification installationsventilation [air-conditioning] installations and apparatuspurification installations for sewage
Classe 16
Filtering materials of paperfilter laminates comprising paper
Classe 24
Textile filtering materialsfilter fibers (textile)textiles in the form of rolls, lengths, cut-out pieces and cuts (semi-finished), especially for filtering purposesnon-woven fabrics in the form of rolls, lengths, cut-out pieces and cuts (semi-finished) for filtering applicationsfiltering clothfilter mats comprising glass fibers, especially micro glass fibers