01
Chemicals for use as filtering material; carbon for filters;
unprocessed plastics for use as filtering material; ceramic
particles for use as filtering material; mineral substances
for use as filtering material; vegetable materials for use
as filtering materials; sand for filters; aggregate for
filters of plastic or cellulose; diatomite; cellulose,
unprocessed plastics or metal included in this class, for
use in the manufacture of filters
07
Filter sieves, fine sieves, compact belt filters, filter
drums, rotary filter sieves, slatted filters, vacuum
filters, rotating or not, all the aforesaid goods as machine
parts, also for use in filtration systems operating with
increased or reduced pressure or in very fine (superfine)
filtration installations; pumps, vacuum pumps, machines and
motors for devices and apparatus for preparing liquids by
mixing, cleaning, clarification, filtration, extraction and
separation, belonging to this class
11
Compact belt filters, filter drums, rotary filter sieves,
slatted filters, vacuum filters as parts of industrial
installations; heating and cooling systems for filtration
systems; systems, containing heating and cooling elements
for temperature control, for filter systems (balancing
blocks); apparatus for heating, steam generating, cooking,
cooling, drying, ventilating and supplying water, together
with sanitary installations; filters as parts of domestic or
industrial installations; air and water filtering
installations; in-line valves; all the aforementioned goods
in this class also for use in filter systems operating with
increased or reduced pressure or in very fine (superfine)
filtration installations
16
Filter papers, in particular paper filters partly made of
synthetic fiber