Effluent treatment (waste treatment); Treatment of effluent

Drilling fluid additives, substances, compounds and preparations for industrial drilling processes

Catalytic converters; catalytic converter units for vehicles; emission control apparatus for exhausts; mufflers; diesel purifiers; exhaust apparatus; exhaust bypasses; exhaust manifolds for engines; exhaust systems for vehicles; exhausts for motors and engines; filters (parts of machines or engines); air filters being parts of engines; air filters being parts of machines; air filters for automobile engines; air filters for engines; air filters for motors; filter housings being part of engines; filter housing being parts of machines; oil filters for engines; oil filtering apparatus for engines; oil filtering apparatus for motors; oil filters for engine lubrication systems; fuel filter heads; fuel filter housings; fuel filter assemblies; liquid filtering apparatus (parts of engines or machines); manifolds; metal pipe fittings (parts of engines); metal pipes (parts of engines); metal tubes (parts of engines); parts of engines; parts of motors

Effluent treatment (waste treatment); Treatment of effluent

Effluent treatment (waste treatment); Treatment of effluent

Effluent treatment (waste treatment); Treatment of effluent

Effluent treatment (waste treatment); Treatment of effluent

Effluent treatment (waste treatment)

Filtering apparatus (household) incorporating filter cartridges; filtering apparatus (industrial) incorporating filter cartridges

Waste water and effluent disposal apparatus and fittings therefor in this class; apparatus for the collection, distribution and disposal of grey water and parts and fittings therefor in this class, storage tanks, septic tanks, dry wells, soak wells, sumps and associated parts and fittings in this class

Installation, servicing repair and maintenance of sewerage systems, waste water disposal systems, effluent disposal systems and grey water collection and distribution systems