Pipes and pipe fittings, all included in class 17; pipe gaskets made wholly or principally of non-metallic materials

Mechanical apparatus for generating and distributing energy, in particular using geothermal heat; installations for energy production, mainly consisting of pipelines, junctions for pipes, installation and distribution shafts of plastic with shut-off and control elements, heat pumps, measuring instruments, geothermal heat probes, probe feet, brine distributors of plastic and brass, spacers and probe weights; stripping apparatus for plastic pipes, in particular for PE pipes; mounting and boring apparatus for processing plastic pipes, in particular PE-HD pipes

Electric welding and descaling apparatus for pipe working; electric welding apparatus for welding plastic fittings, remote control apparatus and connector plugs for electric welding apparatus, parts for the aforesaid apparatus, hardware and software tools for the further processing of welding data