Metal tubes and pipes, especially gas tubes and pipes, tubes and pipes for solar and heating installations, tubes and pipes for the automotive industry, and tubes and pipes for aerospace; formable pipe parts of metal, namely, metal pipe fittings for rigid purposes; metal expansion joints, especially for compensating for heat-related expansion and for absorbing vibrations in pipe systems; metal pipe fittings, namely, formed metal bellows and edge welded metal bellows for use in equipment and valves, including equipment and valves in the automotive and aerospace industries, as well as vacuum and medical engineering; goods of metal not included in other classes, namely, metal pipe fittings, metal pipes and tubes, metal beams; general purpose metal storage containers, especially for gases and liquids; metal storage tanks; metal volumetric and pressure compensation containers for use in pipeline systems filled with gas or fluids, metal accumulator containers for use in pipeline systems filled with gas or fluids; all of the aforementioned products comprising a metal bellow as a functionally essential feature

Pressure indicators and altimeters; weighing instruments; temperature and pressure measuring instruments, namely, pressure transducers, differential pressure sensors, aneroid pressure sensors and sudden pressure relays, temperature-motion transducers, temperature-force transducers, pressure-motion transducers, force-pressure transducers, motion-motion transducers, force-force transducers; surveying instruments; computer software for layout and design of flexible metal bellows, expansion joints, tubes, pipelines, piping systems, volume and pressure compensation containers, buffer containers, and accumulator containers; all of the aforementioned products comprising a metal bellow as a functionally essential feature

Regulating and safety accessories for gas apparatus, gas lines, water apparatus, namely, water hammer arresters; formable pipe parts of metal, namely, metal pipe fittings for use in sanitary installations; all of the aforementioned products comprising a metal bellow as a functionally essential feature

Non-metal tubes and bellows, namely, rubber expansion joints, PTFE expansion joints, rubber expansion joints with PTFE liner, PTFE hoses conveying water, steam and chemical liquids

Scientific and technological services, namely, design, layout, FEM calculations, modal analysis, product testing related to bellows, expansion joints, flexible hose, accumulator, reservoir, sensors and transducer applications in pipeline systems conveying gas or liquids; design and development of computer hardware and software related thereto; all of the aforementioned services relating to products comprising a metal bellow as a functionally essential feature