Pressure medium operated braking systems for road vehicles; off-road vehicles and trailers, especially compressors, pumps, air dryers, anti-freeze apparatus, anti-freeze fluids, pressure medium reservoirs, pressure medium pipes, fittings, brake valves, combined unloader, pressure regulators, circuit protection valves, relay valves, solenoid valves, way valves, control valves, brake cylinders, operating cylinders, coupling heads, slack adjusters, pipe fittings, electronic control apparatus including software, sensors, antiskid systems (ABS) and parts thereof, antislip systems (ASR) and parts thereof, servo brake units; wheel brakes, especially drum brakes, disc brakes and parts thereof; pressure medium operated gear control systems for vehicles and parts thereof; retarding apparatus including electronic control; air suspension for vehicles including electronic control of level, air springs, height sensors, electronic control apparatus including software, valves, remote control apparatus, air bellows; electronic control apparatus and valves for vehicle dampers; pneumatically or electrically operated door closing and opening systems for vehicles including door valves, operating cylinders, position sensors, electronic control units including software, reversing switches; control apparatus and parts thereof for vehicle motors; control systems and parts thereof for tire pressure; steering brake systems and parts thereof

Diagnostic systems and parts thereof for vehicles; measuring and control devices for pressure medium operated control systems for vehicles; sensors for vehicles specific signals and signal processing apparatus therefor; pressure switches; solenoid valves and components thereof

Apparatus and control systems and parts thereof for heating, ventilating and air conditioning in vehicles

Pressure medium operated clutches and components thereof, especially valves and electronic components including software; pressure medium operated gear control systems for vehicles and parts thereof; apparatus for generating, storing and distributing pressure medium, compressors, pumps, air dryers, anti-freeze apparatus, anti-freeze fluids, pressure medium reservoirs, pressure medium pipes, fittings