6 Pipes and tubes of metal, precision pipes and tubes of metal; roller bearings, pivoting bearings, articulated heads, plain bearing bushes.
7 Pistons, cylinders, piston rods, cylinder tubes, telescopic cylinders, hydraulic pistons, hydraulic cylinders, pneumatic pistons, pneumatic cylinders, hydraulic activating devices, hydraulic drives, pneumatic activating devices, pneumatic drives, hydraulic units, pneumatic units, hydropneumatic units, pumps, piston pumps, axial piston pumps, hand pumps, valves, hydraulic valves, pneumatic valves, piston-type accumulators, rotary transmission leadthroughs, rotary distributors, pivot drives, drilling machines, deep hole drilling machines, honing machines, lathes, tools for honing, polishing, lapping, turning and grinding, honestones, honing strips.
12 Motor vehicles, automobile cranes, vehicle parts, axles, lifting axles, spring systems, hydropneumatic spring systems, fifth wheel couplings, externally-powered fifth wheel couplings, hydraulically-activated fifth wheel couplings, kingpins, trailer couplings, externally powered trailer couplings, hydraulically-activated trailer couplings, drawbar eyes, bicycles, saddle supports, hydropneumatic saddle supports, spring forks, hydropneumatic spring forks, link brackets, air pumps.
17 Seals of plastic, ring seals, O-ring seals, rod seals, piston rod glands, piston packing, rotor seals, strippers, guiding elements for seals, top cup packing sets, static seals, dynamic seals, labyrinth glands, technical parts of thermoplastics and elastomers.
35 Advertising agencies, advertising; marketing research; joint venture planning; patent exploitation.
37 Repair, servicing and maintenance of hydraulic, mechanical, control engineering, electric and electronic installations, repair of hydraulic cylinders.
40 Surface coating of work pieces, thermal coating of hydraulic components, thermal coating of pistons, piston rods and cylinders, conversion of fifth wheel couplings, conversion of trailer couplings.
42 Designing industrial installations.