Filters for industrial purposes; Oil purification machines for power stations; Power filters for water purification (machines); Air filters being parts of machines; Air filters for commercial vehicles; Air filtration machines; Power drive trains for use in cooling towers

Water purifying apparatus and machines; Drinking water filters; Filter diaphragms for household or industrial use; Filter housings (parts of household or industrial installations); Filter installations (household or industrial) for the separation of solids and liquids; Filter membranes (parts of household or industrial installations); Filter screens (parts of household or industrial installations); Filtering apparatus (industrial) for fluids; Filtering apparatus (industrial) incorporating filter cartridges; Filtering installations (household or industrial); Filtering screens (parts of household or industrial installations; Filters being parts of industrial apparatus; Filters being parts of industrial installations; Filters for cleaning gases (parts of household or industrial installations); Filters for exhaust extractors (parts of household or industrial installations); Filters for gases (household or industrial installations); Filters for industrial installations; Filtration apparatus for industrial purposes; Industrial installations for filtering liquids; Water filtering apparatus for industrial use; Water filters for industrial purposes; Desalination apparatus; Desalination installations; Sewage purification apparatus; Sewage purification installations; Sewage purification machines; Air purification apparatus; Air purification apparatus for clean air cabinets; Air purification installations; Air purification machines; Apparatus for the purification of gases; Apparatus for the purification of liquids; Apparatus for waste water purification; Apparatus for water purification; Electronic air purification apparatus; Electronic apparatus for the purification of water; Filter boxes for water purification; Filters for waste gas purification; Gas purification apparatus; Gas purification installations; Gas purification machines; Installations for the purification of waste water; Installations for the recycling (purification) of waste water; Installations for water purification; Machines for the processing (purification) of sewage; Machines for the treatment (purification) of water; Sewage treatment (purification) installations; Water purification apparatus; Water purification filters; Water purification installations; Water purification machines; Water treatment apparatus for water purification; Apparatus for sanitary purposes; Apparatus for the supply of water for sanitary purposes; Electrical appliances for sanitary purposes; Electrical installations for sanitary purposes; Filters for sanitary water distribution apparatus; Filters for use with apparatus for sanitary purposes; Sanitary apparatus; Sanitary apparatus and installations; Sanitary installations; Air circulation apparatus; Air cleaning apparatus; Air cleaning filters (parts of air cleaning machines or installations); Air cleaning instruments; Air cleaning machines; Air cleansing apparatus; Air conditioners; Air conditioners for vehicles; Air conditioning apparatus; Air conditioning apparatus for commercial use; Air conditioning filters; Air conditioning installations; Air conditioning installations for cars; Air conditioning installations for commercial use; Air cooling apparatus; Air deodorising apparatus; Air filter installations; Air filtering apparatus; Air filtering installations; Air filters for use as dust extractors; Air filtration installations; Air freshening apparatus; Air freshening instruments; Apparatus for cleaning air; Apparatus for collecting dust from the air; Apparatus for filtering breathing air; Apparatus for purifying air; Electrostatic air cleaning apparatus; Filters for air conditioning; Filters for cleaning air; Installations for the cooling of air; Evaporative cooling towers; Air processing (cooling) apparatus; Cooling apparatus; Cooling appliances and installations; Cooling installations and machines; Electric cooling apparatus; Disinfection apparatus; Water disinfection apparatus