Classe 7
Exhaust machines for industrial purposesblowers for compressing, sucking and transporting gasesblower machinescompressors [superchargers]compressors [machines]superchargers [turbochargers]air filters for enginesair condensersfans for enginescentrifuges [machines]
Classe 9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking, life-saving and teaching apparatus and instruments, in particular air analysers, vacuum gauges, vacuum tubes, in so far as they are used for blowers, fans and compressors, superchargers, air filters, air condensers and centrifuges
Classe 11
Lighting, heating, steam generating, cooking, refrigerating, drying, ventilating and water piping apparatus, in particular fans [air conditioning], fans [parts of air conditioning], ventilation apparatus [air conditioning] for vehicles, air dryers, air cleaning apparatus and machines, air sterilizers, air cooling apparatus, air filtering apparatus, air filters [air conditioning], air heaters, fans [electric] for personal use, air conditioning apparatus, air conditioning apparatus for vehicles
Classe 42
Scientific and technological services and research and related servicesindustrial analysis and research service, in so far as they are used for blowers, fans and compressors, superchargers, air filters, air condensers and centrifuges