IC 007. US 013 019 021 023 031 034 035. G & S: Filter devices, filtration apparatus, filter modules, filter candles, filter capsules and filter media, being physical products, all containing filter beds and filter materials, with organic or inorganic filling materials, including filling materials in the form of fibrous matter; all being parts of machines and installations constructed therefrom, for the filtration, clarifying and sterilising of fluids in the drinks, chemical and chemical-pharmaceutical industries

IC 011. US 013 021 023 031 034. G & S: Filtering media for general industrial use in the clarifying and sterilizing of industrial fluids, namely, filter capsules, filter materials and filter inserts for clarifying and sterilising of fluids in installations in the drinks, chemical and chemical-pharmaceutical industries

IC 016. US 002 005 022 023 029 037 038 050. G & S: Filter media of paper or cellulose, filter beds of paper or cellulose, filter materials and filter inserts of paper or cellulose, namely, filter paper, filter paper sheets and filter paper membranes