DONALDSON

MACHINE PARTS, NAMELY MUFFLERS AND SILENCERS FOR INTERNAL COMBUSTION ENGINES; SILENCERS FOR GAS TURBINE ENGINES; SPARK ARRESTORS FOR INTERNAL COMBUSTION ENGINES, CENTRIFUGAL PRE-CLEANERS AND AIR CLEANERS FOR INTERNAL COMBUSTION ENGINES AND GAS TURBINE ENGINES; DUST UNLOADER VALVES FOR CENTRIFUGAL AIR CLEANERS, CENTRIFUGAL TYPE COOLANT CLARIFYING UNITS FOR GRINDING MACHINES; CENTRIFUGAL SEPARATORS FOR REMOVING PARTICLES FROM LIQUIDS IN CONTINOUS FLOW; POROUS MEDIA AIR FILTERS AND PRE-SCREENERS FOR GAS TURBINE ENGINES AND INTERNAL COMBUSTION ENGINES; AIR-OIL SEPARATORS HAVING A COALESCING ELEMENT FOLLOWED BY AN INERTIAL SEPARATOR; AIR INTAKE CAPS AND HOODS FOR AIR FILTERS FOR INTERNAL COMBUSTION ENGINES; AIRCRAFT GYRO FILTERS; AUTOMATIC SELF-CLEANING MECHANICAL DUST FILTERS FOR INDUSTRIAL APPLICATIONS; AND MECHANICAL DUST COLLECTORS AND DUST SEPARTORS OF AN INDUSTRIAL NATURE FOR USE IN MANUFACTURING PROCESSES

AIR FLOW RESTRICTION INDICATORS

AIR FILTERS (NOT FOR SCIENTIFIC PURPOSES AND NOT BEING PARTS OF ENGINES, OF MOTORS OR OF MACHINES); OIL FILTERS (NOT BEING PARTS OF LUBRICATION SYSTEMS OF INTERNAL COMBUSTION ENGINES); VENTILATION PANEL FILTERS FOR INDUSTRIAL VENTILATION, VENTILATING AND FILTERING INSTALLATIONS TO SUPPLY FILTERED CLEAN AIR TO ENCLOSED ROOMS; AIR FILTERING INSTALLATIONS FOR BUILDINGS AND FACTORIES, PRIMARILY COMPRIISING SELF-CLEANING FILTER CARTRIDGE COLLECTORS; VENILATION PANEL FILTERS FOR VEHICLE OPERATOR GABS, FOR AIR CONDITIONERS AND FOR ELECTRONIC EQUIPMENT

MUFFLERS, SILENCERS AND SPARK ARRESTORS FOR LAND VEHICLES; AND AIR FILTERS FOR FIXED WING AIRPLANES AND HELICOPTERS