Class 010
Medical Instrument Products
Filters for medical purposes, especially extra-corporal filters for cleaning blood, bacterial filters for tube systems, bacterial filters for syringes for injections, bacterial filters for syringes for transfusions, bacterial filters for medical machines, especially circulation apparatus, except filters for medical apparatus for aspirating and ventilating
Class 011
Environmental Control Instrument Products lighting heating cooling cooking
Filters as parts of household or industrial installations, especially filters for coffee and tea machines, for extractor hoods for kitchens, for vacuum cleaners, filters for air conditioning, air filtering installations, water filtering apparatus
Class 012
Vehicles and Products for locomotion by land, air or water
Filters as part of vehicles, as far as included in class 12
Class 016
Paper Goods and Printed Material
Filters made of paper and cardboard, especially for coffee and tea
Class 021
Houseware and Glass Products
Strainers for household purposes
Class 034
Smoker's Products
Cigarette filters, pipe filters
