Exhaust systems, comprising exhaust gas catalysts, mufflers for engines, exhaust pipes as well as their parts and components as far as these are contained in class 7; spark arresters as machine parts; filters as parts of engines; filters as parts of engines for air cleaning; filters as parts of machines; air filters; exhaust pipe systems; catalytic converter units for vehicle exhausts; catalytic converters; catalytic converters for motors and engines; mufflers for engines, exhaust pipes, diesel particle filters; particle filters; appliances for filter cleaning; appliances for cleaning exhaust filters; appliances for cleaning diesel particle filters; all aforementioned items as parts of exhaust systems of engines/machines; stationary and mobile combustion engines except for land vehicles, especially diesel engines, engines powered by biogenic fuel, hybrid engines and gas engines as new, partial or replacement engines as well as units with such combustion engines and electricity generators or pumps or compressors as far as these are contained in class 7; new, replacement, processed and repaired parts of such combustion engines as well as for land vehicles; components as parts of combustion engines, as well as for land vehicles, as far as these are contained in class 7, especially parts of the fuel injection system, the mixing and the exhaust gas after-treatment as well as parts of mechanical control and regulating devices for such combustion engines and units

Electronic regulation, control and monitoring appliances, devices and instruments as well as software and data memories and systems made up of the aforementioned items for machine control, fuel injection system and exhaust gas after-treatment in stationary and mobile combustion engines as well as in combustion engines for vehicles; monitoring devices; electronic apparatuses for monitoring filters; emission control devices for exhaust pipe systems

Installation, maintenance and replacement of particle filters; reconditioning of vehicle exhaust gas filters