7
Filters for machines; Filters for motors and engines; Filters for gases [machines]; Filters for internal combustion engines; Cartridges for filtering machines; Fuel filters; Grease filters [parts of machines]; Oil filters; Oil filters for motors and engines; Oil filters [machine parts]; Air filters for engines; Air filters for mechanical purposes; Air filters for motors; Particulate air filters for exhaust systems for internal combustion engines; Filtering machines; Filtering machines for chemical processing; Filter housings being parts of machines; Filter housings being parts of engines
9
Filtering units for laboratory use; Laboratory filters
11
Filters for industrial and household use; Industrial installations for filtering liquids; Air filter installations; Industrial air filter machines; Air filters; Air filters for industrial use; Air filters for industrial installations; Filters for cleaning gases [parts of household or industrial installations]; Filters for cleaning air; Filters for gases [household or industrial installations]; Filters for industrial installations; Filters for refrigeration systems; Filters for use with apparatus for ventilating; Filters for use with apparatus for water supply; Air filters for use as dust arrestants in industrial processes; Air filters for use as dust extractors in industrial processes; Drinking water filters; Dust filters; Filters for air purifiers; Filters for exhaust extractors [parts of household or industrial installations]; Filters for fume extractors; Filters for gas extractors; Filters for use with apparatus for steam generating; Filters for waste gas purification; Filters for wastewater; Water filters; Water filters for industrial purposes; Water filtering apparatus for industrial use; Filter apparatus for water supply installations; Filters, being part of filter systems or independent filters for sterilization and purification of fluids four use in the beverage, food, luxury food, electronics, pharmaceutical, cosmetics and chemical industries; apparatus for water treatment and treatment of aqueous solutions; apparatus for deionization of water; apparatus for sterilization of aqueous solutions; Filters for filtering and concentrating of biological solutions, in particular suspensions of viruses and bacteria, filter for desalination of protein solutions and biological liquids